i will be up grading to a different cam soonish and thought it would be handy to get a valve spring height checker to make sure i get the right springs/retainers the first time....
which one of these heights will suit 4v big port heads ??? Three ranges are available: 1.400-1.800, 1.800-2.100, and 2.100 - 2.400,
engine is still in car running so dont want to pull down just yet and the nearest machine shop is 1/2 hr away
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