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Old 04-15-2012, 06:33 PM   #6
C&C Chevy
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Join Date: Feb 2003
Location: Midwest City, OK
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Re: Setting idle screws w vacuum gauge

Ok, thanks!

I lowered the idle set screw some more to what sounds around 500-600 RPM to me. Now, I'm getting 18 steady with the occasional blip. It sounds like its about to stall just for a 1/4 of a second then smooths out again for 6-7 seconds.
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Robert

Current:
1986 SWB Silverado 4.3 / TH400

Past:
1985 SWB Silverado 305 / TH350 - sold 1995
1987 1/2 ton Silverado - FI 350 / 700R4 sold 2007
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