what cam are you installing? Lift/duration? Are you replacing the valve springs? More than .53" lift and it's a must.
what cam are you installing? Lift/duration? Are you replacing the valve springs? More than .53" lift and it's a must.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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