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Idle update - a little improvement

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Old Apr 11, 2005 | 11:34 AM
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jackballs529's Avatar
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Joined: Jun 2004
Posts: 313
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From: Buffalo, NY
Car: 1987 Iroc-z
Engine: 355/Edelbrkhds/lpe219cam/MiniRam/
Transmission: 700R4/3.27 9bolt
Idle update - a little improvement

Guys - If any of you remember, I had some idle problems. It idles rough like a mis. It also stalls when shifting into reverse. RPMs drop down like it is under a lot of load.

I replaced my timing table with the stock ARAP and the idle smoothed out some. i had about 28 degrees on the table around idle originally. The idle seems to be about 25% better now.

I still feel I may have a mechanical problem but not sure where to go. Everything is new on my car except my dizzy and some sensors. (IAC/TPS/MAF all new and set) I have the original EGR vacuum selenoid, anyone ever have one of those cause issues? Can I test it? EGR is new.

Checked for vacuum leaks a hundred times, even bought a Smoker.

Suspect my brand new Accel 24lb. injctors just because everyone says they are crap.

Anyone have any insight?
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