Re: Breaking Valve Springs
Quote:
Originally Posted by TJ's Chevy
How much lift on the cam? Stock valve springs are only good for .450. After that you have to go a step up. Z/28's are good for .500 and tend to create a little to much open pressure. Those that have used them haven't complained of flat cams that I'm aware of.
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Crane 260H.
From the Cam card -- Lift
Intake at valve=.498"
Exhaust at valve = .530"
Now I'm wondering if I have the wrong value springs on order? I just specified stock 2.1090" free height.
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Every 25 years I like to rebuild that 292, whether it needs it or not.
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