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5.7 Vortec cold tap/knock HELP!
I have this same issue on my 97 with 168K on a 5.7 Vortec. It "knocks" but then goes away after the engine is warm. It also had a slight hiccup at around 50 mph. One of the Techs at work (I'm in the Parts Dept.) thought detonation. Upon further research I thought it was the camshaft position...- My 97 Silverado
- Post #4
- Forum: Engine Performance + Maintenance
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The Member Truck Thread
Not mine but my bosses' OBS. "Why's there a hole in the side of your truck"?- My 97 Silverado
- Post #2,649
- Forum: Member Trucks
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Really wish ppl would stop bringing me trucks with hydraulic fluid in trans- Latest: Scooterwrench
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