Heaten m90
forum member
- Joined
- Jun 3, 2017
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- 335
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What is the recommended valve seat pressure when running 25+ PSI of boost and 8k RPM? Further what type of issues will i encounter running agressive springs? Has anyone seen the crank gear fail? Ill be running billet tensioners and guilds, i know the ratcheting tensioners can "stick" but im going to be beating the shit out of this engine its entire life. And i dont think with a increased pressure oil pump the oring will hold up on the plastic unit.... Any thoughts?