Thread: engine miss
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02-05-2006 06:38 PM #5
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- Car Year, Make, Model: 1997 CHEVY.S10 LT1-350
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Originally posted by firebird77clone
to diagnose a bad exhaust valve :
Have an assistant rev up the engine, then release the throttle suddenly. When the throttle is released, cover the exhaust with your hand ( obviously, don't do this with a hot exhaust ). If you have a bad exhaust valve, you will feel your hand sucked in when that cylinder hits the intake stroke.
check the compression, that will tell you everything you need to know about the valves. if you have good. comp. then you can move on.
Last edited by lt1s10; 02-05-2006 at 06:41 PM.
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1968 Plymouth Valiant 1st Gen HEMI