Loud whine from TCE throttle body [Archive] - GrandAmGT.com Forum

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drumking1721
09-09-2007, 09:50 AM
Ok so i just installed the 62mm throttle body for 60v.com...yeah and i started my car and its making this LOUD whine...any idea what its from?

silvergtjrad
09-09-2007, 10:10 AM
If it is a whine, then its not coming from the tb. If its a whistle, then its a vaccum leak.

drumking1721
09-09-2007, 10:13 AM
its a whine....

drumking1721
09-09-2007, 10:20 AM
I took it back off...everything is right....and is this normal? the little cut out on the back?

drumking1721
09-09-2007, 10:30 AM
anyone???

drumking1721
09-09-2007, 11:14 AM
k nm problem fixed.it was the gasket

Jake
09-09-2007, 11:48 AM
Cool glad you got it fixed, feel a difference?

drumking1721
09-09-2007, 12:51 PM
yea...i havent like opened it up yet....but what i have done,its nuts...the sucking is loud...i love it. well worth it and it looks sharp

Jake
09-09-2007, 12:53 PM
Cool deal. Pics? :)

silvergtjrad
09-09-2007, 12:59 PM
yeah, that sucker does get pretty loud. Until my car warms up it sounds like a damn tornado!

drumking1721
09-09-2007, 01:08 PM
i love it....great investment. As for pics,i dont own a digital camera, I know Jared has pics

AaronGTR
09-09-2007, 04:58 PM
yeah, mine makes a slight whistle too, but only in the mid throttle range, so I don't hear it all the time.

alerored04
09-09-2007, 05:11 PM
mine whines at startup too until it warms. I have the 3500 uim and adapter from the 60* store so it shouldnt be a gasket problem. I have checked everywhere for vacuum leaks and have found none.

drumking1721
09-09-2007, 06:15 PM
yeah, mine makes a slight whistle too, but only in the mid throttle range, so I don't hear it all the time.

mine is exactly like that too

drumking1721
09-09-2007, 06:16 PM
wow i didnt mean to make that sound weird

lone_wolf025
09-09-2007, 06:26 PM
It also might just be characteristic of having more air drawn into the engine. I know that with the CAI you can hear a slight whistle at idle, so it'd make sense to hear it louder with more airflow...

alerored04
09-09-2007, 06:45 PM
thats what i was thinking. Its odd that it goes away after the motor warms though.

silvergtjrad
09-09-2007, 06:52 PM
its because its idling higher till it warms up.

alerored04
09-09-2007, 07:16 PM
well there we go, i have my answer. Thank you.

drumking1721
09-09-2007, 07:21 PM
im suprised...i didnt think itd make much of a difference...you can feel it

drumking1721
09-10-2007, 06:18 PM
i was driving today....it sounds like a turbo when i let go of the gas peddle...the whistleing

NorKoastal
09-11-2007, 01:55 PM
You have a stock UIM correct? Might be mod I jump on. How much are those bad boys running?. Looks like ZZP is out of stock on the GA Downpipes.. This mod plus AGX's might cure my mod itch..

geldartb
09-11-2007, 02:37 PM
the stock UIM if you want to take advantage of the throttlebody you have to port the upper to match it.

took me like an hour or so with breaks to bore out the upper.

drumking1721
09-11-2007, 04:23 PM
meh...i have that tce throttle body with a stock upper....the cars faster....im not complaining

geldartb
09-11-2007, 07:25 PM
did you port out the upper

drumking1721
09-11-2007, 07:45 PM
no, i said it was still stock

alerored04
09-11-2007, 07:48 PM
i have a ported upper fs, but the plenum is still 56mm and would need to be bored out.

drumking1721
09-11-2007, 07:53 PM
i have no money right now with school and all. I have had no problems what so ever with the new TB and stock upper. Yea theres a lot of sucking from the cone,hasnt set off any codes and the car hasnt been running rich nor lean

geldartb
09-11-2007, 11:22 PM
well if you didnt bore it out you kinda wasted your money cause your not taking full advantage of the 65.

yeah you have a 65mm tbody but the plenum opening is still 56mm. so whatever extra air is getting sucked in is just bouncing off the extra material instead of flowing straight in.

i have one to but i ported my plenum out so theres no restriction. theres a 1/4 inch of extra metal thats getting in the way.

alerored04
09-12-2007, 11:15 AM
im curious what you used to bore out your mani? I was looking at having ben do it but he wanted $80 to bore it and ship it back and forth while i found a used ported 3500 uim for $140. No brainer there. Now i am having a bitch of a time selling my ported mani.

geldartb
09-12-2007, 12:14 PM
about 1 1/2 hour of my time and a dremmel. mostly the sanding drums were used.

he charges 80 cause it kinda time consuming takes awhile to do it.

i then bolted the gasket without the throttlebody on and used the dremel to open up the gasket to the opening.

this prob cost me about 45 bucks. 30 for the manifold from the yard and then the drum things for the dremel.

i went with the 00+ manifold vs the older and more restrictive 99 below one. i got pics i can post later to show the difference. most of its in the kneck of the plenum.

im going to try the 3500 one after winter time once i get one. but until then this will do.

drumking1721
09-12-2007, 01:37 PM
ummm i never said i have a 65....i have a 62

geldartb
09-12-2007, 03:37 PM
same damn thing basically. if you didnt remove the extra material on the plenum then your not getting the full advantage of it.

the 3mm difference is irrelevant. theres still a big amount of material that the air is bouncing off of and creating turbulance.

alerored04
09-12-2007, 04:49 PM
damn i thought it was alot more involved with that. Thank you. Now if someone with a big TB wants my mani i can do it for them.

drumking1721
09-12-2007, 05:57 PM
well im not saying that i wont ever get one. I just dont have the funds right now with school. It is going to be my next purchase,no doubt