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Question about Valve spring and cam. [Archive] - StangBangerz Forums
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facemelter71
11-14-2011, 02:38 PM
My heads are box stock Eddy RPM's.

Paper work on the heads says .575 Max lift.

Ive done some math and I would not be anywhere close to the .060 coil clearance problem till some where north of .600" lift. Any one have any info as to why I cant run a cam larger then .575 lift?
2Fast4You
11-15-2011, 08:34 AM
That is the spec for the valve springs themselves, if you are going to run a bigger lift cam you just need to get the matching valve spring kit. It might not be a bad thing to also check your valve to piston clearance as well.
Jeff88coupe
11-15-2011, 10:05 AM
I would get a set of new valve springs to match the cam if you get one.
facemelter71
11-15-2011, 11:30 AM
Im digging around for some new cams. Its looking like I might be getting a custom grind.