Originally Posted by dizuster
Originally Posted by INTMD8
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More of a problem on the exhaust side of a turbo motor IMO (valve trying to close against turbine drive pressure as intake valve is opening)




But worse yet the exhaust valve is OPENING against a HUGE amount of cylinder pressure on a turbo motor. So that would indicate you'd want less valve spring, not more.


In the end, it's nothing to worry about. Put the spring in it that the cam calls for and be done with it.


I wouldn't say that indicates you'd want less spring pressure as much as the stiffest pushrods you can find smile (and maybe delay EVO)

Last edited by INTMD8; 05/12/21 02:06 PM.
69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700