DHP - PCM upgrade status? [Archive]

AaronGTR

08-28-2002, 07:19 PM

DHP is in sterling heights MI. About 30 minutes from my house (gotta love it!:D ). If you can actually have him test your car on the dyno he can do a better reprogram. If he makes a general program he has to make it a little milder so it will be safe for a wide range off cars. Cars with different mods will all behave slightly differently. Gains should still be resonable though. Let me tell you, this chip will be worth it for the shift calibration alone. The prototype we tested in my car was shifting awesome! He said that should take .1sec off my quarter time by itself. More news soon.:)

GTManiac

08-28-2002, 07:42 PM

Sterling Heights??? where the hell have I been? I have yet to hear of this. I live in Sterling Heights so obviously it's not far from me. I'd like to get together with these guys and get something done.

ALEROone

08-29-2002, 08:26 AM

How far from Ann Arbor? I will be there on Nov. 16 for a U of M football game.....I wonder if I can drop by....:wave:

Craig99SE2

08-29-2002, 03:27 PM

Sterling Heights? WOW! I live like 5 miles away! If DHP needs a guinea pig with a 99 SE 3.4L w/intake & exhaust, lemme know! I'll even pay for it! ;-)

AaronGTR

08-29-2002, 08:11 PM

Well, not exactly in sterling hts. I believe his main business is there, but he does the programming on the side. I'll have to ask him. Didn't mean to mislead anyone.

scooby2

08-30-2002, 12:17 AM

Please ask.. Could we setup a date where a bunch of us could get hooked up? I'd be willing to pay as well. I can't see myself not driving my car for a week so I can ship the pcm off to ASE.

Static

09-01-2002, 09:03 AM

For someone like myself all the way down here in Florida, how would I be able to get a reprogram? Also how much is this gonna cost, if a price has been set...?

aleroboy

09-01-2002, 04:07 PM

If I get my car dynoed with A/f readings before the cat could you do a better program? also coudl I get it redone when I get my head work and all that? also what kidn of cost would be involved?

cavingman

09-01-2002, 06:05 PM

hey aaron, if they need a 03 prototype lemme know :D

Sorry_Officer

09-03-2002, 09:15 AM

So what's the expected date on this?? I have a 99' and I want to get this done ASAP. I could have my PCM on your doorstep Monday Morning.:D

AaronGTR

09-04-2002, 06:56 PM

:eek: Whoa...slow down guys. Things are in the developement stages right now. No word yet on prices or how programming will be done. Or on what all programs will be offered. I really need to talk to him first. All I know right now is there's a lot of things he can change, but they require more testing right now. I also know he can do they best program if he can actually test your car. Between me and several people with NA cars he should be able to make several programs though that should work for most cars. As of now there is NO ETA on when this will be done. Just gonna have to wait. He's very busy programming GP's and F-bodies, but I'll let him know how many of you are interested in the GA program ok.

jakhammer

09-04-2002, 10:49 PM

heck yeah, let him know there are a bunch of us that want something like this. I for one want to see it happen.

jakhammer

GTManiac

09-16-2002, 07:14 PM

so what is up with this thing? any word? or has it totally died off?

AaronGTR

09-17-2002, 12:43 AM

Nope. Not died off. You guys just gotta be patient:) . Dave is very busy right now programming grand prix's for the GP gathering next weekend. This isn't even his full time job either ya know. He puts a lot of his spare time into developing programs for people (and I'm a pretty busy guy myself ya know). I have some new parts I'm putting on my car next week, and when he's done with the GP's after next weekend, we're going to start testing on my car again. He already has a working '99 GT program, so if someone has a '99 GT and wants to go with me and get their car programmed, let me know and I'll call him and let him know. Remember though, if you want more power, you'll need to dyno test it for best results so you should schedule some dyno time with him. I'll be going over there either saturday the 28th or sunday the 29th so let me know before then.

BTW: For all you NA cars out there, he said the best mods for you to have for this tune are a CAI, exhaust, and 180deg thermostat. You'll also have to run premium fuel of course if you want the maximum power gain. The colder the air and the higher the octane fuel you use, he can advance the ignition more and adjust the fuel enrichment more for more hp.:thumbs:

pounder

09-20-2002, 01:41 PM

will pre 99 GA's getting a taste of this PCM? thanx

Cujo

09-20-2002, 05:46 PM

How will this pcm upgrade be made available to everyone ? Will you have to send your PCM in to get flashed or will you be able to do this yourself ? I am very interested in DHP and can't wait till it comes out :D I hope us Canadian GA'ers can order this.

AaronGTR, do you know much about ARC2 A/F ratio calibrator that pfyc.com is selling now ? Will the DHP work with that or not ? I am very interested in that product as well because then I could use my Granatelli MAF and recalibrate the air/fuel table so maybe I won't have a misfire. The GMS maf worked well for awhile but then started to cause a misfire which made it seem like there was tranny problems. I don't believe the GMS maf was recalibrated properly to work on our engines. I tried to contact someone at Granatelli Motorsports to see about getting it recalibrated but they never respond to my e-mails. Perhaps with the Arc2 I could recalibrate myself. What do you think about it ?

Thanks,
Cujo..

MidwestJosh

09-20-2002, 05:55 PM

Originally posted by Cujo
How will this pcm upgrade be made available to everyone ? Will you have to send your PCM in to get flashed or will you be able to do this yourself ? I am very interested in DHP and can't wait till it comes out :D I hope us Canadian GA'ers can order this.

If it's anything like the GPs, everyone will be able to buy (going by year of course), they will send you a new PCM. You can either send your stock one back in and get your core charge back, or keep it (but the core cost is around $60-80 I think). Some people keep their stock one because they don't want their dealer to reflash it (DHP one) when they go in for repairs.

Cujo

09-20-2002, 06:01 PM

Thanks Josh :D That sounds awesome ! Installation and removal would only take a minute or so then. I would definitely keep the core. I remember reading back in the old forum how someone had instructed the dealership NOT to reflash his PCM and they did anyways and his car ran like crap ever since that. I wouldn't want that to happen especially if I paid good money for the reprogram.

AaronGTR

09-21-2002, 08:46 AM

Purchasing will probably work as midwestjosh described, and probably cost around $300. The Program will have set values for the A/F ratio as well as ignition timing and other things. Anything that works with the stock computer should work with the re-program though. This is the first I've heard of the ARC2, but it's very interesting. Looks very similar to other things from Greddy/HKS/A'pexi etc I've seen for imports and similar in price too. It's pretty expensive, but lets you adjust the fuel enrichment at any time. This would go really well with the re-program because the A/F settings in the program won't be absolutly perfect unless he can dyno tune your car. He has to make them a little on the safe side so it doesn't damage your car.

This type of device works by modifying the signal from your MAF so the ECM thinks more or less air is entering the engine and adjusts the fueling accordingly. This is NOT for amateurs. You need to know what your doing, and you need a wide band O2 sensor and A/F guage to adjust it properly. I would also recommend having a laptop and autotap scanner to monitor other engine functions like the MAF signal, knock sensor, etc.

All this equipment would cost a lot of $$$, but you would have awesome engine tuning capabilities, which would be essential for a highly modified engine. People are starting to get really crazy with the mods on our cars and this type of tuning will be essential in the near future. We're finally getting into the realm of high tech horsepower the imports have been in for years boys!;) Look out honda!:D

ILQUIKGTX

10-03-2002, 12:03 AM

Ive been buzy with work and so has Charles so far the 2001 pcm been working great just trying to get with Charles can be a pain. But we are still working and these . We just want to get the bugs out before we get it out to the public.
talk you you guys soon

MIAaron

10-08-2002, 11:15 AM

I have a 2000 guinea pig to. I'm interested in the programming for the fbody also, got one of them that is gonna need it pretty soon.

AaronGTR

10-08-2002, 09:27 PM

They already have programming for the F-bodies. All you gotta do is setup an appointment for a tune.

Testing for 2000 GAGT program is going good. He'll be ready to start dyno tuning soon. Of course my car is supercharged, so we'll need a NA car to test with as well. We're looking for a car with certain kinds of mods though that closely resembles what most people are doing with their GA's. I'll talk about that more in a few weeks when Dave gives me the go ahead that he's ready.

MIAaron

10-09-2002, 08:15 AM

I figured he had it done for the fbodies, I am just going to need it done when the ported tb, Edelbrock intake and Hooker headers come in.

Mine only has the civic cai right now. I am not putting an exhaust on til I get tog headers though. I'm thinking about doing heads at the same time though since the motor will be half apart for the headers to fit in anyways. I've been talking with a machine shop in Royal Oak about heads, I just have to get more info to the guy. He seems pretty open minded about it and said the sa price seems a bit high. He said that price might be about right if the heads were iron and shipped across the county. So I don't know if I'll be able to get as low as sorry officer got his stuff done for, but it will be lower than sa. There is another shop down in Troy near the thunderbird bowling alley that is really well known in the racing industry and deals with a lot of alum & magnesium work that my buddy used to work at. We're trying to figure out if we can get a lower rate by having my buddy do the work. That way we only pay for the machine time and parts(cutters and such).

AaronGTR

10-09-2002, 06:35 PM

Yeah, there are several good places in the detroit area that have good machinists and are familiar with GM engines. Just gotta find the one closest with the best price.:D I was thinking of doing the same thing eventually (when I get some more $$$). I want to get the headers and heads done and port match the intake manifolds all at the same time so I don't have to keep ripping the engine apart. Having to take out the SC every time makes it even worse ;) . That's really the best way to do it though.:)

MIAaron

10-10-2002, 08:17 AM

I know the fbodies have chips that let you tweek the chip with a laptop. I've been wondering what it takes to read the car's computer with the laptop so you can see the engine curve and sensor readings. With something like that you could save the different programs to the laptop and use them when you need them. That way you could still use 87octane for day to day, and 93 when you are at the track. Another thing you could do is play with it in different track conditions and save the programs that work best in each situation. That way you could get a small database of your own in the laptop, just link it to a spreadsheet that cross references temp, humidity inputs for the best program available. I know it sounds like a lot, but it would basically just be the pigtail to link to the chip and software that reads the chip output, which I know already exists for the fbodies. Then all the test and tunes is on your own time, which is cheap compared to dyno time. How does the guy making the DHP chip get into the chip programming?

AaronGTR

10-10-2002, 09:41 PM

Dave has the GM program developement software. He starts with a stock program, deciphers it, makes changes and programs it into your stock ECM with a tech-2. The programable stuff your talking about doesn't exist for GA's yet (unfortunatly).

OneQuickGT1

10-13-2002, 09:33 PM

I am gonna be the one to ask....Any APPROXIMATE release date on the PCM?? I am just wondering if I should get some other mods, or wait for this.

Thanks,
Brett

black97gagt

10-14-2002, 07:08 PM

well i heard this weekend that if u have a fat wallet, u can get a pcm for a 3.4 right now. just happened to hear it though the grape vine from someone that knows about it.
:thumbs:

MidwestJosh

10-14-2002, 07:54 PM

From what I remember, I think near the end of the year if everything goes well.

AaronGTR

10-15-2002, 07:32 PM

Originally posted by black97gagt
well i heard this weekend that if u have a fat wallet, u can get a pcm for a 3.4 right now. just happened to hear it though the grape vine from someone that knows about it.
:thumbs:

Don't know where you heard that? Wallet doesn't have anything to do with it. It's just that they 're very bust right now and all the programming isn't done yet.;) :)

GotchaDM

11-17-2002, 04:33 AM

Originally posted by AaronGTR

Don't know where you heard that? Wallet doesn't have anything to do with it. It's just that they 're very bust right now and all the programming isn't done yet.;) :)

AaronGTR,
i dont know if i met you but i was the only white 99 GA GT at the Grand Prix Pow Wow. 11/16/02 all the prix were flashing their PCM's and he was able to do a small test flash on my car.. Ill tell you its really cooooooolll. shifts much better and takes off like a rocket. no limiter. ect. any ways tell charles that so far im running great and i will be auto taping real soon ..
thanks Keith..

cant wait for the final flash..:thumbs:

Static

12-17-2002, 08:00 AM

Well, I'm gonna bring this thread back to life, I wanna know whats up with the chip... It's getting close to the time that I'm really gonna start working on my car :) Gonna get some SA parts and a chip... How is the DHP coming along..? Do they have any expected gains yet..? I was checking out ASE and they are now claiming an increase of like 20HP and 25TQ from a GT... That's pretty good... But if you look at the link I think those numbers are a bit off, i thought the GT's were 175/205 not 170/195...?

http://www.asechips.com/Recuadro%20de%20autos/Pontiac/Grand%20Am%20GT%203.4L%20V6.html

X-ception

12-21-2002, 01:39 PM

well, those are probly just the se numbers because if they actually dynoed the car the ram air wouldnt work anyhow just sitting there.

aleroboy

12-21-2002, 02:02 PM

The ram air would help a little though because it is still another inlet to draw air from. also they prolly used the large fan that will give it somewhat of the effect.

SilverEcstasy

12-22-2002, 11:49 AM

To my knowledge, DHP has the time, but not a car to test with over winter right now. So i'm very doubtful on any progress over the winter. Any work that will be done will probably be in early spring if any.

GTManiac

12-22-2002, 04:13 PM

Originally posted by MikeNT256
To my knowledge, DHP has the time, but not a car to test with over winter right now. So i'm very doubtful on any progress over the winter.

don't be so sure about it. ;)

SilverEcstasy

12-22-2002, 04:22 PM

Originally posted by GTManiac

don't be so sure about it. ;)

I know I know. Don't hold me to it.

rodd62

01-08-2003, 09:31 AM

DHP =?.?.?.
im in grosse pointe, well in the summer and i would like to get my car out there since thats when i have money any way...

GTManiac

01-08-2003, 04:09 PM

digital horse power

16 mile road between mound and van dyke.

rodd62

01-08-2003, 04:31 PM

thanks man:thumbs:

Blazes49

05-04-2003, 06:01 PM

Seems like this thread flares up for a week or two, then dies down for a month. What's the latest on this because I was told by luniz024 that the reprogrammed PCM should be available on Monday...as in like 2 days. My question...if this is true, why has there been no talk about this for about 5 months? Call me crazy, but this reprogram is going to be awesome if it's alot better than the ASE reprogram...
Anybody got any info on this because I'm getting anxious! I really would rather buy this than the ASE because I'm quite critical of their gains they're talking about...20 on the HP and almost that much on the torque...seems too good to be true. Anyways...anyone got info?

Sternie

05-04-2003, 06:29 PM

Originally posted by Blazes49
Seems like this thread flares up for a week or two, then dies down for a month. What's the latest on this because I was told by luniz024 that the reprogrammed PCM should be available on Monday...as in like 2 days. My question...if this is true, why has there been no talk about this for about 5 months? Call me crazy, but this reprogram is going to be awesome if it's alot better than the ASE reprogram...
Anybody got any info on this because I'm getting anxious! I really would rather buy this than the ASE because I'm quite critical of their gains they're talking about...20 on the HP and almost that much on the torque...seems too good to be true. Anyways...anyone got info?
1) There are several threads in the last couple days on this subject.. just do a search for "DHP"

2) I haven't ever seen DHP claim 20hp gains on their chip.. I am under the impression they are more interested in filling in the power "gaps" than they are in peak HP.

Blazes49

05-04-2003, 07:21 PM

2) I haven't ever seen DHP claim 20hp gains on their chip.. I am under the impression they are more interested in filling in the power "gaps" than they are in peak HP. [/B][/QUOTE]

Sorry for the confusion...ASE claims 20hp on their chip and I was told (not neccessarily reliable) that it would be like 10x better. Not that it means more HP, but just more benefits I would imagine. Just clearing that up...and sorry, I looked but couldn't find any. My bad.

UNCTYPE-S

05-04-2003, 07:37 PM

you have been told by me, who has been told by many other members here, that it will be 10x better then ase. so im as clueless as you, just relaying words to people that know more about this then me. it should increase power throughout all gears. it also does some things that the ase wouldnt do.

is this expected to be back ordered, and how much is it gonna cost.

Bumpin2000GAGT

05-05-2003, 12:14 AM

well, i want to go to the next tuning day or whatever. i need my car tuned, i'm so sick of not being able to go faster than 133mph. can't wait to see what this chip is gonna do to my car. will this chip reset if i unplug my battery? i'm constantly doing work with the sound system and electrical and all. just wanted to know. thanks for all the info guys. :thumbs:

luniz

05-05-2003, 12:16 AM

Will you have to reset your computer when you get this program? Or will the computer recognize it, and adjust to without disconnecting your battery?

Jagey

05-05-2003, 12:17 AM

Would this chip be of any use to a completely stock engine?

Chaotic Reality

05-05-2003, 12:32 AM

Maybe just for the speed limiter remover and stuff...I think it's best to at least have intake/exhaust.

As far as unplugging your battery...that's not a problem, the PCM is just like the same PCM you already have in your car, it's just reprogrammed with settings to bring out better performance. The only way it could get erased is if you have the device to do it yourself, or the dealership does it.

My questions are are regarding skip shifts...I know the GP PCM has it...what exactly does that do..does that make it so all the other gears besides Drive useless? Is it going to be best to drive in Drive all the time, even at the track?

-Jon

luniz

05-05-2003, 12:35 AM

Here is a new question. Will using the DHP chip cause the engine/tranny to wear out faster than without it?

phantom505

05-05-2003, 04:22 AM

Only if you floor it everywhere :)

AaronGTR

05-05-2003, 08:37 AM

I'll try to answer a few questions with what I know about the program, since I have the shift program only.

1) There is no chip. It is a re-programmed PCM that you switch with the one in your car.

2) They need to know your year, model, VIN number so they use the correct PCM and programming to work with the security feature in the BCM. (I experienced this first hand)

3) Yes, this program allows skip shifts, ie. if you're cruising in fourth at 35mph and floor the throttle it will shift directly into first gear. Cool huh!

4) I believe the engine tuning is optimized to work on a car with intake, exhaust, and 180 thermostat. It should work fine on NA cars with varying levels of mods though. Blown or juiced motors are another story.

5) The tranny shift program should be good for a tenth in the quarter by itself (again, my first hand experience).

This is what they did for my tranny program. Eliminated speed governer (it works, I've done 140mph). Raised rev limiter from 5900rpm to 6300rpm. Raised full throttle shift point from 5700rpm to 6200rpm. Lowered set time between gear changes from 1.2sec to .6sec. Increased line pressure. Lowered throttle position percentage for down shifting and raised for upshifting. This means the car downshifts easier without flooring it and stays in gear longer when accelerating without flooring it. This makes the car easier to drive fast around town, but can increase trans fluid temps slightly. A trans fluid cooler is recommended but not necessary. They also raised the down shift speeds. For example, with the stock program, at full throttle the 1-2gear shift happens at 42mph, and the 2-1 downshift is at 35mph. With the new program, 1-2upshift is at 44mph, and it will downshift at 38mph. Second gear now goes to 80mph and will 3-2downshift at 75mph. In the quater mile this allows the car to stay in first and second gear longer with a higher gear ratio. On my SC'd car this took off 2 tenths. This program is worth it just for the trans program, but the enigine programming should be just as good. NA cars might not see as much hp, but monello's SC'd car gained 30whp which is huge for a PCM program. Obviously this is what I want next. ;) :D

Chaotic Reality

05-05-2003, 08:43 AM

Thanks for the answers Aaron that helped a lot, I'm still confused about the rev limiter thing though because mine will only reach about 5200/5300 rpm's max when I 'get on it'. Is that just what I'm governed at or something?

-Jon

Bumpin2000GAGT

05-05-2003, 09:31 AM

thanks a lot for all the info aaron, does anyone know when we could go get this done? I don't live far from the place and am going to be ready very soon. :thumbs:

CaliGrandAmTroll

05-05-2003, 11:20 AM

Originally posted by AaronGTR
I'll try to answer a few questions with what I know about the program, since I have the shift program only.

1) There is no chip. It is a re-programmed PCM that you switch with the one in your car.

PCM is a powertrain control module. But Aaron is it a chip or a harddrive type? Thats a pretty simple question.

My guess it is a chip and therefore it can be just reprogrammed as well as it could be duplicated and turned into plug and play bios type.

Am I right?

aleroboy

05-05-2003, 12:16 PM

Originally posted by Someone
PCM is a powertrain control module. But Aaron is it a chip or a harddrive type? Thats a pretty simple question.

My guess it is a chip and therefore it can be just reprogrammed as well as it could be duplicated and turned into plug and play bios type.

Am I right?

There is a chip but its not removable like the older style gm's
ase actually changes it to a removable style which has its advantages. But I've been told the job ase does on installing the removable style chip is less than par.

CaliGrandAmTroll

05-05-2003, 12:22 PM

Aleroboy you sound like a knowledgeable person. So I was wondering do you know by any chance if that chip is SMT or THT?
If you dont know dont worry man I never pulled it out to look at it either.

aleroboy

05-05-2003, 12:53 PM

That I have no clue on
I don't know a whole lot about the computer.
I know to remove it you would have to un-sauder (sp?) the chip from the board.

The only other thing I know about our computer is its the sorce of whats holding my car back from its true potential. :mad:

I'm glad I've held out on a retune because of the turn I've decided to take with the transmission.

AaronGTR

05-05-2003, 05:42 PM

Originally posted by Someone
PCM is a powertrain control module. But Aaron is it a chip or a harddrive type? Thats a pretty simple question.

My guess it is a chip and therefore it can be just reprogrammed as well as it could be duplicated and turned into plug and play bios type.

Am I right?

It is a chip of course. One that is built in and not meant to be removed. The info I was providing was for all these people that seem to think DHP is adding something to the computer. What they are doing is loading a new program in the existing chip in the computer. This is the most efficient and trouble free way to do it, rather than adding and removing chips. I suppose you could do it that way but there are more potential problems.

embe

05-05-2003, 07:37 PM

Originally posted by AaronGTR
I'll try to answer a few questions with what I know about the program, since I have the shift program only.

3) Yes, this program allows skip shifts, ie. if you're cruising in fourth at 35mph and floor the throttle it will shift directly into first gear. Cool huh!

Is that something you really want? If you're doing 35 in first won't your car be out of it's powerband to begin with?

Just curious, I've dropped the car into first at a SLIGHT roll and wished that I had slowed down a bit more before doing so.

aleroboy

05-05-2003, 07:45 PM

Originally posted by embe
Is that something you really want? If you're doing 35 in first won't your car be out of it's powerband to begin with?

Just curious, I've dropped the car into first at a SLIGHT roll and wished that I had slowed down a bit more before doing so.

30-35 is prime drop
I hate it when it wotn grab first and hangs in second.
thats out of the power band. tkae forever to get rolling from there.
but I'm putting the control back in my hands.
bye bye auto!:thumbs:

CaliGrandAmTroll

05-05-2003, 10:53 PM

Originally posted by AaronGTR
It is a chip of course. One that is built in and not meant to be removed. The info I was providing was for all these people that seem to think DHP is adding something to the computer. What they are doing is loading a new program in the existing chip in the computer. This is the most efficient and trouble free way to do it, rather than adding and removing chips. I suppose you could do it that way but there are more potential problems.

All chips are removable.

phantom505

05-06-2003, 12:14 AM

Originally posted by Someone
All chips are removable.

Uhhh...... I don't think you are an electronics tech for some unknown reason....

If you have a 5 layer PCB, I like to see you remove a chip. Many chips even on monolayer PCB are a bitch to remove because of the all the soldering you might have to do.

Only ones surface mounted or in sockets can be easily removed most of the time.

ANYHOW, back on topic..... It's a reprogram, nothing more.

CaliGrandAmTroll

05-06-2003, 08:03 AM

Originally posted by phantom505
Uhhh...... I don't think you are an electronics tech for some unknown reason....

If you have a 5 layer PCB, I like to see you remove a chip. Many chips even on monolayer PCB are a bitch to remove because of the all the soldering you might have to do.

Only ones surface mounted or in sockets can be easily removed most of the time.

ANYHOW, back on topic..... It's a reprogram, nothing more.

If all you can remove is an smt then you are not a technician, especially when you are complaining about the layers. Do you understand how dumb that sounds what you just said? You might as well paint your engine and start preaching hp to liter ratio.

If you were a real tech you would know that tht are a lot easier to work with as well as remove them etc... :rage: :tool: :knob:

And yes I am a technician.

PACE

05-06-2003, 08:09 AM

Originally posted by Someone
And yes I am a technician.

how come your not at work right now then?.....:p

CaliGrandAmTroll

05-06-2003, 08:29 AM

Originally posted by ECAP
how come your not at work right now then?.....:p

I am. :rolleyes:

mfuller

05-06-2003, 08:32 AM

This is getting out of control.....please play nice and stay on topic or this thread will be locked.

PACE

05-06-2003, 08:43 AM

Originally posted by Someone
I am. :rolleyes:

Me too...the smilie means I was kidding:) The techs at my dealership are usually wrenching on cars and not posting on message boards. lol I don't know crap about PCM's, BCM's or ECM's so I believe ya!!!! Havee a good one!:wave:

CaliGrandAmTroll

05-06-2003, 09:04 AM

Originally posted by ECAP
Me too...the smilie means I was kidding:) The techs at my dealership are usually wrenching on cars and not posting on message boards. lol I don't know crap about PCM's, BCM's or ECM's so I believe ya!!!! Havee a good one!:wave:

Not a car tech man. Compaq. :)

FastSteve

05-06-2003, 09:24 AM

If I am not mistake Pat with the s/c seen a 20 hp gain and while most of the n/a cars didnt see too much in hp gains, I did gain 13 hp with mine. I definately noticed a difference in the feel of the car.

PACE

05-06-2003, 09:29 AM

13 at the wheels is great! Are you referring to power at the wheels?

mfuller

05-06-2003, 09:38 AM

Most cars will probably not see the kind of gains that Steve got. Between his ported top-end and AFPR, his car was running exceptionally lean. Most of his additional horsepower came from adding fuel. By contrast Kyle's (Sorry_Officer) car did not see quite that much because his car ran much stronger than Steve's from the get go (with essentially the same mods - headers the most obvious exception). Most NA cars should expect between 8 and 12 additional crankshaft horsepower.

PACE

05-06-2003, 09:47 AM

Sounds good for a modded GA.....but for others $250 for 5 horses at the wheels kinda sux...

mfuller

05-06-2003, 09:53 AM

Originally posted by ECAP
Sounds good for a modded GA.....but for others $250 for 5 horses at the wheels kinda sux...
You're overlooking a crucial detail....while most cars will only gain 8-12 at peak, DHP smooths out the entire powerband....for instance, with my stock calibration, I had some interesting "valleys" in the powerband - the horsepower curve would take an unexpected dip at certain RPMs and performance would suffer. DHP was able to massage the fuel trims and timing so that I now have nice, smooth, linear power delivery. At palces where valleys once were, I am making 15HP (or more) over the stock calibration.

PACE

05-06-2003, 09:57 AM

Oh...I see.

I guess I also overlooked the loss of the rev limiter too.... I guess I just need to start modding!

CaliGrandAmTroll

05-06-2003, 11:24 AM

Does DHP remove the rev-limiter?

PACE

05-06-2003, 11:28 AM

YEP

Kalvin97GAGT

05-06-2003, 11:50 AM

Originally posted by AaronGTR
Nope. Not died off. You guys just gotta be patient:) . Dave is very busy right now programming grand prix's for the GP gathering next weekend. This isn't even his full time job either ya know. He puts a lot of his spare time into developing programs for people (and I'm a pretty busy guy myself ya know). I have some new parts I'm putting on my car next week, and when he's done with the GP's after next weekend, we're going to start testing on my car again. He already has a working '99 GT program, so if someone has a '99 GT and wants to go with me and get their car programmed, let me know and I'll call him and let him know. Remember though, if you want more power, you'll need to dyno test it for best results so you should schedule some dyno time with him. I'll be going over there either saturday the 28th or sunday the 29th so let me know before then.

BTW: For all you NA cars out there, he said the best mods for you to have for this tune are a CAI, exhaust, and 180deg thermostat. You'll also have to run premium fuel of course if you want the maximum power gain. The colder the air and the higher the octane fuel you use, he can advance the ignition more and adjust the fuel enrichment more for more hp.:thumbs:

dave and charles

i work 15 mins from charles's house

he did a beta on my car.. but more tuning is needed

DYNO is a must!

Blazes49

05-06-2003, 12:16 PM

Does it take away the top speed governor?

cavingman

05-06-2003, 12:19 PM

Originally posted by Blazes49
Does it take away the top speed governor?
yeup

mfuller

05-06-2003, 12:20 PM

Originally posted by Someone
Does DHP remove the rev-limiter?
Not removed, but raised (6500rpm, I think). We don't want anyone blowing up their engine.

Blazes49

05-06-2003, 12:29 PM

Very nice...with all the bonuses it really is worth it ten fold! even if it does add about 10-20 horses.

FastSteve

05-06-2003, 01:00 PM

Yes, at the wheels.:)

AaronGTR

05-06-2003, 06:20 PM

Originally posted by Someone
Not a car tech man. Compaq. :)

Which means you don't necessarily know a friggin' thing about the computer boards or programs GM uses for it's cars. Stick to what you know man.

On another note: For the people asking if the rev limiter and speed governor are changed, please take the time to read the rest of the thread. I just answered those questions on the last page, and when you post questions that have already been answered you're using up bandwidth for no good reason.:rolleyes:

CaliGrandAmTroll

05-06-2003, 06:42 PM

Originally posted by AaronGTR
Which means you don't necessarily know a friggin' thing about the computer boards or programs GM uses for it's cars. Stick to what you know man.

When you say things like this it shows you do not know electronics. Let me give you a little quote from a movie to sum it up so you can get a better feeling.

"American technology, russian technology, japanese technology... it is all same ****!" The only thing that differs is schematics. And if you knew electronics you would understand it. I am not going to go into detail you will not understand it anyway.

aleroboy

05-06-2003, 06:59 PM

Originally posted by Someone
When you say things like this it shows you do not know electronics. Let me give you a little quote from a movie to sum it up so you can get a better feeling.

"American technology, russian technology, japanese technology... it is all same ****!" The only thing that differs is schematics. And if you knew electronics you would understand it. I am not going to go into detail you will not understand it anyway.

I've barely scratched the surface with this stuff but form what I've seen it all pretty much is the same.
in fact I know of a guy out of denve rthat used to program personal computers. now he cracks code and tunes computers for cars. cnat be too much different then.

claymore

05-06-2003, 07:19 PM

Here is an idiotic question, :p what happens if you do not get a Case learn done, not saying that wen i get one I'm not going to. but what happens if one does not?

beyerch

05-08-2003, 04:06 PM

Couple things to clarify......

#1 - Computers are not magical horsepower makers. *IF* there is power to be found in the computer, its found due to bad tuning of the original software and/or adjustments for modifications on your car. So if you have a SLOPPY base program (or one that isn't right for you mods), the computer will "make" mad power. Conversely if you don't have a SLOPPY program and/or your engine/mods do not radically alter things, you will NOT find a lot of power in the calibration. You shoudl realize that the PCM does not ADD power, it allows you to maximize the POTENTIAL power of the engine/mod combination. Furthermore, some engines have more POTENTIAL than others. For instance, blown vehicles will see larger gains, because that is quite a radical difference and the stock programming cannot work well with it, etc. On the other hand 3.4 L normally aspirated cars, do not make a ton of power stock. Basic mods, do not add a ton more to it. Because of that it is not realistic to think a computer program will add a ton of power. 8 to 12 would be BEST case and I'd claim close to 8 personally.

#2 - PEAK numbers are not always a very good judge of performance. You can have two engine setups with the same peak power, and have one engine beat the snot out of the other one. Why? Power Curve. Lets say 1 engine peaks at 150 HP but for the majority of the power curve, power output is 125HP. The other engine also peaks at 150HP, but its overall curve is closer to 140HP. If you played pocket paper racer and looked at just the peak #'s you'd think it would be dead even. However, if you put the cars on a race track, one would walk the other one. (Same goes for torque #'s). While you may only get a peak of 8HP or so, you will gain more overall, which translates into better performance.

#3 - Other items of modification in the unit are : 1.) Speed limiter removed, 2.) Rev Limiter increased, 3.) Increase trans line pressure, 4.) Fans adjusted for 180 thermostat operation w/ 2 minute key off, 5.)Modified timing tables, 6.) modified knock recovery tables, 7.) modified shift points, 8.)updated to lastest gm code as of 1/2003 (so any dealer updates are also included)

beyerch

05-08-2003, 04:07 PM

Originally posted by Kalvin97GAGT
dave and charles

i work 15 mins from charles's house

he did a beta on my car.. but more tuning is needed

DYNO is a must!

I sent you an email in regards to this and am waiting to hear back.......

beyerch

05-08-2003, 04:11 PM

i was wondering where you went to ! :(

Can you please email me, cbeyer@dgai.com

thanks

Originally posted by GotchaDM
AaronGTR,
i dont know if i met you but i was the only white 99 GA GT at the Grand Prix Pow Wow. 11/16/02 all the prix were flashing their PCM's and he was able to do a small test flash on my car.. Ill tell you its really cooooooolll. shifts much better and takes off like a rocket. no limiter. ect. any ways tell charles that so far im running great and i will be auto taping real soon ..
thanks Keith..

cant wait for the final flash..:thumbs:

beyerch

05-08-2003, 04:13 PM

does anyone have an ASE chip in yoru 98 or newer 3.4? I'd be willing to pay for your dyno time to see #'s. If there was 20HP in that cal, we would have found it. Anyone?

Originally posted by Static
Well, I'm gonna bring this thread back to life, I wanna know whats up with the chip... It's getting close to the time that I'm really gonna start working on my car :) Gonna get some SA parts and a chip... How is the DHP coming along..? Do they have any expected gains yet..? I was checking out ASE and they are now claiming an increase of like 20HP and 25TQ from a GT... That's pretty good... But if you look at the link I think those numbers are a bit off, i thought the GT's were 175/205 not 170/195...?

http://www.asechips.com/Recuadro%20de%20autos/Pontiac/Grand%20Am%20GT%203.4L%20V6.html