Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Check my valve spring specs for cam break in
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Old 06-20-2013, 02:03 PM
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Originally Posted by Richiehd View Post
Full rollers you might be alright. That .575 lift got my attention though.
His new springs are good for .575" lift...but his cam is only .504" lift.

I'd check to see if the old vortec sorings will manage the .504" lift without going into coil bind, and use them for the break-in period if they will work. Give the cam every advantage you can during break-in.
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