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Old 08-20-2014, 02:00 PM   #13
Teds89IROC
 
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Join Date: Sep 2004
Location: Haledon, NJ
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Quote:
Originally Posted by deadtrend1 View Post
Sounds like a tuning issue, not the throttle body. For one try and get your obd plug wired. What is the actual spec on your car. Its a lt1 swap? Or an lt1 pcm? What year? Who did your tuning? Seems like is something with the vss in relation to the idle decay

Also, 1000 rpm idle is high. No massive vacuum leaks like the egr at the back of intake?
95 LT1 with a cc306 and T56 swap. PCMforless did the tuning. I explained it was a 95 LT1 ECM with a T56 but in an 89 car with a mechanical speedometer.

could be 900, hard to tell on the gauge. No leaks I can hear or tell. If it was the tuning then why would it act normal occasionally?
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1989 IROC-Z 355 LT1 T56 Swapped
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