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Thread: Intake/TB Question...
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07-02-2007, 04:10 PM #1
Intake/TB Question...
I just put on a Weiand aluminum intake and the stock (P&P) throttle body is to small for it, there's a vacuum leak coming from it. I looked online and it says that it supports the stock LS1/LS6 throttle bodies. Well, I guess my question is are there any differences in LS1 throttle bodies throughout 98-02? Has this happened to anyone else?
P.S. It also says in the intake manual to add ultra blue permatex to the gaskets before dropping the intake on... (Who the hell does that?!?!)
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07-03-2007, 03:23 AM #2
Check the hoses on the rear of the intake ? I didn't use permatex on mine... Also,check the injector O-rings... Oil them before installing to help them slide in.
The TB should fit with no problems...
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07-03-2007, 12:20 PM #3
Hoses on the rear are fine, used a smoke machine and also sprayed everything down w/ brake cleaner...nothing. I put vasoline on the o-rings on day 1. I'm thinkin that maybe, just maybe the intake needs to be re-surfaced where it hooks upto the TB... but just incase it doesnt, I ordered a 80mm TB to cancel it out from being the problem.
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07-03-2007, 12:28 PM #4
Was the plate under the intake pre-installed ? Hopefully, that's OK...
I have the 80mm BBK TB on mine, nice combo !!!
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07-03-2007, 12:31 PM #5Originally Posted by MikeSomething
BTW, nice kill on that '07 Eclipse...!
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07-03-2007, 01:31 PM #6
It was preinstalled, but I took it off, put a new gasket on, and torqued it to spec. I honestly tried not to overlook anything since the swap was a PITA to begin w/... I'm going for a polished "Professional Products" tb. Can't beat it for $200.00 brand new!
Well, they messed w/ the throttle body & determined that, and only that was the cause of the noise. Thank god they didn't bang me for takin the intake back off. That Eclipse was actually faster than I thought, I saw an exhaust, but I wonder whatelse he's hiding. BTW... If you ate that burger, I woulda posted another kill story! LMAO!
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07-04-2007, 03:15 AM #7Originally Posted by MikeSomething
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07-04-2007, 09:07 AM #8
Yea, the waitress thing was funny, but not as funny as the guy tryin to fight everyone and fell right on his face as he was leaving. Dave just looked at my car, he said it's the idle air motor on the top of the throttle body. He said it either needs to be cleaned cause it might not be seating well or I just need a new throttle body. I'm gonna try to find a tb to swap it out w/ just for some trial and error...
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07-04-2007, 09:52 AM #9Originally Posted by MikeSomething
About Tony's Eclipse, it's his power to weight ratio, along with the factory gearing, which allowed him to stay with you. That 3.8 engine is definitely no slouch, and can rev to the moon from the factory (263 @ the crank). It's his GSX which you now have to watch out for. Gonna have it trailored to my house so my cousin can look at it, and once it's back on the road, he'll probably pull my LS1 very easily ....
Gonna have some fun with my '91 Formula over @ Raceway Park on Friday night, and we're headed out to Route 37. Finally got my cousin wanting to go, especially after raving about Tom's EVO. Thing sounded sweet as hell, but both he and his girl looked a little trashed though lol....
Happy 4th bro!!!!!
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07-04-2007, 01:42 PM #10
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07-04-2007, 02:30 PM #11Originally Posted by MikeSomething
= no drinking for me tonight.....
Enjoy!
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07-05-2007, 12:40 PM #12
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07-11-2007, 12:47 AM #13
dont forget the fact that the tb u have somone drilled an idle hole in the blade.though we eliminated that as a noise issue by temporarily plugging up the hole with the motor idling
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07-13-2007, 09:08 PM #14
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