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Effect of broken Valve spring versus a broken Rocker
Posted to Technical Discussion Forum on 8/29/2008 53 Replies

Two recent vehicles

Chevy 3.1 with a broken Exhaust Rocker. Result was a constant misfire on one particular cylinder.

Chevy 3.8 with a Broken Exhaust Valve Spring. Result was car barely ran misfiring on all cylinders.

I at first did not expect such a big... Login to read more.

53 Replies Received (View Replies)