2.2 to 3400 motor swap [Archive] - GrandAmGT.com Forum


View Full Version : 2.2 to 3400 motor swap

01-27-2011, 06:18 PM
well my little GA is getting old. she has 180k on her and i know the motor is going to go soon cause i can hear a piston knocking, i don't want to get rid of it cause i have too many good memories with this car and i just plain out love my GA, ok so now my question is, when my motor does go out i'm not wanting to go with a 2.2 again, i'm wanting to upgrade. so what all parts would i need to drop a 3400 in it. will it just bolt up with pretty much everything i already have or will i need to make some major modding? thanks for your help.

01-27-2011, 09:07 PM
How exactly is the 3400 an upgrade?

01-27-2011, 09:26 PM
mine as of now is a little 4 banger man. i'm not wanting a 2.2 ecotech anymore, not too many parts for it. im looking along the line of the v6, ive been reading some threads on here and the 3500 seems pretty good too, and at a lower price than the 3400 or so i've heard. so right now im not too sure, never done a engine swap on a GA

01-27-2011, 10:05 PM
Doesn't the Ecotec have more parts for the engine alone because of the Cobalts?

01-27-2011, 11:07 PM
Slap a GM supercharger kit on it for some small thrills or do much more. The ecotech platform has a LOT going for it while the V6 options are getting worse...

01-28-2011, 01:12 AM
If you are looking to do a stock upgrade. I believe it is just engine, transmission, ecm and go. I think the CVs, half shafts and all are the same though. Someone, feel free to corect me if I am wrong. I don't think there is a hege difference. I did a swap with a buddy some 7 or so years ago. The Cradle and everything under the hood is ready for the engine swap. You may need the 3.4 motor mounts too, but the holes are already there. Just pick out the right ones for the engine choice and go.

01-28-2011, 09:28 AM
No offense to everyone who owns a 3.4 but in my opinoun and just mine. The 2.2L ecotec has so much more room to grow than the 3400. I believe the fastest grand am was a 2.4L quad(correct me if im wrong). Just by reading on here, you cant find many of the 3400's last nearly as long as your ecotec. Many people at 120+ and above have to undergo either LIM replacement or ever head haskets. And parts are everywhere for the ecotec as, The grand Am, Alero, Cobalts, Sunfire all have the same motor so parts will never run out. Just my opinoun keep the Ecotect!

01-28-2011, 09:56 AM
lol the 3400 engine is terrible. I would so rather have the ecotech.

01-28-2011, 09:57 AM
Atleast do a 3500 swap. Dont put a 3.4 in....just dont do it. LX9 or a 2.2/2.4.

01-28-2011, 04:45 PM
dont do it

01-28-2011, 05:46 PM
thanks for the tips everyone, i have been looking for a while now for some 2.2 parts and i have found very few, but what it sound like coming from the ones who have a v6. you all dont like it im assuming. i think i might just stick with the 2.2. but then again i have been thinking about a v6 for a while. what are the pros and cons of having the v6?

01-28-2011, 08:02 PM
thanks for the tips everyone, i have been looking for a while now for some 2.2 parts and i have found very few, but what it sound like coming from the ones who have a v6. you all dont like it im assuming. i think i might just stick with the 2.2. but then again i have been thinking about a v6 for a while. what are the pros and cons of having the v6?

Pros- I guess more HP, Better sound...uhh not sure what else...
Cons-LIM gaskets, Headgaskets...The reason why i trashed my GA, Fuel economy.

If I were you I'd go for the LX9 3500. I was going to do a swap after my 3.4 took a sh!t but got a deal on a 10' Sonata.

young gun
01-29-2011, 02:14 PM
depends on what you are doing. If you are just looking to get around. 4cyl. If you want to build the fastest GA easier way of doing it would probably be a 4cyl. But if you want to get around yet still have some power and a nice exhaust tone i would say 3500 or go home. no point in doing a 3400. 3500 has so many more positives that it is worth it over the 3400.

4cyl get around
4cyl cheaper to make fastest although turbo needed to be fast and exp. needed for turbo
6cyl 3500 i recommend borla with a 2.5in downpipe, CAI, tune, and stickier tires will help a ton
6cyl 3800 just gtfo

01-29-2011, 08:48 PM
yeah it sounds like im just gonna stick with my 2.2 then. does anyone know of any good sites off the top of their head of some good 2.2 performance parts?

01-29-2011, 09:10 PM
you could always check stuff for the eco cobalt. not sure if everything is compatible though

01-29-2011, 09:24 PM
you could just get a turbo Ecotec out of a late model Cobalt SS with the trans and PCM lol That would make for a fun grand am.

01-29-2011, 10:17 PM
Nothing wrong with the 3400. The gaskets were an issue. I never had that issue. I had one of the quickest GAGTs on here. Pulling a 13.68 with my 75 shot. NEVER had one issue with the car. Held up fine. I broke half shafts but that was just a power off the line issue I was having.

I don't know. I have been in the 2200 cars and there is no real torque feeling. I can see why he would want to change. Like everyone said. You can dump a turbo in, and mill the heads and port the intake and and and. But that becomes a ton of money. You can dump in a 3400 and have the 175 horses and be done and enjoy the car.

Back when I built mine around 2003 the V6 was the only engine with aftermarket parts. Now they are scarce. But same could be said with the 2.2 for the most part. If you want a fun project, get a 2.0 out of a GXP solstice. Some 260HP I believe. Should be enough to pull the car along well. Maybe the 3.6 in the GXP G6/Torrent GXP. Just some other ideas.

If you are looking for the least headache, replace it with another 2.2 . About the least aftermarket headache would be the swap up to the 3.4L or I guess people seem to think the full 3.5 swap is just as easy (I am a little out of touch with Grand Am stuff these days). All I can say is good luck. Nothing wrong with the 3.4L. I still got 26MPG highway. Though I do that with the G8 now too and it is a little more fun.

01-30-2011, 12:07 PM
I average about 17 MPG with my 3400 lol

01-30-2011, 03:02 PM
^Hahahaha that is too good. Not the best in thr world. Your gas pedal only know 1 position I am thinking.

02-02-2011, 12:11 PM
haha yeah, the 3400 sounds like it would be alot of fun. with the 2.2 there is no torque at all. pretty much just the hammer to the floor. i mean its a quick little car, but no where near as fast as i would like it. i have heard that it is pretty expensive to turbo the 2.2 . one of the biggest things i dont like about the 2.2 se is that the governor kicks in at 110. im not sure if there is a way to reprogram it or what not.

02-02-2011, 12:20 PM
Im pretty sure someone does PCM tuning for our 2.2L eco's. I had someones saved in my favorites but couldnt find them