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Re: 1991 chevy 1500 5.7 tbi erratic idle
if it was the cam , it would have idled erratic it from the start. the computer chip can only read so fast and make adjustments to the fuel delivery. you can put a dramatic cam inside that would run like greased lightning but wouldn't idle fer sh*t .so if the engine idled fine when the cam/heads went on , that ain't it.when you get a chance. get the engine up to temperature. take some carb cleaner and spray some down the two sides,front and rear , of the intake where it mates to the engine deck. any stumple or rise in rpms would be a gasket leak. use the same method around vacuum lines and its connections. don't get liberal, just enough to check for leaks. let me know what happens and we'll go from there.i'll try to check back regularly to see how its going .
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1992 K2500 w/ reworked 355 - for fun
2003 2500HD utility - for work
2005 Denali tahoe- for the bride
Last edited by bowtiejack; 11-01-2008 at 09:45 PM.
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