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10-08-2014 08:56 AM #1
CHR Member
- Join Date
- Feb 2014
- Location
- Clearwater
- Car Year, Make, Model: 1986 GMC Jimmy 4WD
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- 16
Idle problems sbc 350
I have a 96 vortec block, howards flat tappett cam, 480 lift-288 duration-108 center line, swirl port heads, dual plane intake,headers, and a new Edelbrock 600 carb.
I cant seem to make it idle high enough in drive without dieseling when I put it in park to shut it down.
I am pulling 15 lbs of vacum @ the port on the rear of the intake @ idle, and cant seem to find any vacum leaks.
I've been messing with the timing and idle screw and just cant seem to get it right.
KEEP IN MIND-This is an 1986 trk with a 1996 block and everything to do with the stock 305 is disconnected!!!Last edited by Bobwall1; 10-08-2014 at 09:33 AM.
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