D16 valve spring upgrades.
12-16-2018
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D16 valve spring upgrades.
I have a y8/b7 mini that runs fairly well and a Zex 59300 cam that I used to grenade my last head. Am hoping to find a set of springs with steel retainers that are adequate for 7.5k rpm and not over the top in pressures like a turbo app.
12-17-2018
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158lbs open pressure for Alphas but they don't list rate. I need to develop a basis of judgement, am hearing that most D springs are over the top for casual street with moderate cams?
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