Would this cause a rough idle?
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Senior Member
Joined: Oct 2001
Posts: 504
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From: reidsville,nc,usa
Car: 1989 Firebird Formula 350
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 9 Bolt Borg Warner 3.27 gears
Would this cause a rough idle?
On my 3.1, I got the Y-intake off of a 2.8 V6 and two K&Ns installed. Where the rubber snorkel meets the tube coming off the Y-intake, its got a gap and does'nt fit tight. It holds ok, but still a gap. I sprayed intake cleaner in that spot and it changed my idle to a little smoother sound unless that was just the car burning off the cleaner I just sprayed. Anyway I can fill in the void with tape or something?
Ken
Ken
Member
Joined: Sep 2006
Posts: 345
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From: oviedo, FL
Car: '91 RS
Engine: 5.0L gross *** tbi
Transmission: 700r4
Axle/Gears: 2.73
Re: Would this cause a rough idle?
well it should fit right, as i have dont the same thing to mine...not a gap anywhere..set your idle back down and see 
Supreme Member
Joined: Nov 2002
Posts: 1,832
Likes: 1
From: Castaic, CA
Car: 1988 Camaro RS
Engine: 2.8L of Raw POWER!!!
Transmission: Stick Shift
Axle/Gears: 3.42's
Re: Would this cause a rough idle?
No, you have a MAP system, so that means that anything in front of the Throttle Plates won't affect your idle. If you had a MAF system, then that point starts at the MAF sensor instead of the TB.
The reason that your idle smoothed out is because you do have an intake vacuum leak somewhere sucking in air. The extra "fuel" made up for the leak and raised the idle speed and smoothed it out.
Sounds like it's time to start spraying carefully around the intake to me.
The reason that your idle smoothed out is because you do have an intake vacuum leak somewhere sucking in air. The extra "fuel" made up for the leak and raised the idle speed and smoothed it out.
Sounds like it's time to start spraying carefully around the intake to me.
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