Thread: running on 4 of 8 cylndrs
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04-23-2004 12:57 PM #1
running on 4 of 8 cylndrs
oldtimer new to rodding..i have a 350 sbchevy that is running ruff off and on. 270h compcam, headers, msd, 600 edelbrock on performer. vacuum is reading 15lbs at best, drops 11lbs when it gets ruff. when i touch the back of the screw driver to the exhaust tubes, #3,5,2,8 tubes are cool and the other four are hot. i put the timing light to the cool lead wires and they were firing. where should i start to trouble shoot?41 chevy
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04-23-2004 01:09 PM #2
Well if they are getting spark and still cold I'd say they are not getting air/fuel.........check / set your valve trainObjects in the mirror are losing
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04-26-2004 09:17 AM #3
thanks guys,
i found a broken valve spring and also a critical source to my low vacuum. the power brake booster line system was leaking.41 chevy
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