Thread: Valve springs and retainers :)
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Old 07-02-2012, 02:58 AM   #12
MACE_ENG
 
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Drives: LLT Machine
Join Date: Nov 2011
Location: VIC/AUS
Posts: 563
In regards to boost pressures with standard cams and springs I'm tipping around the 15psi-20psi mark where these might be need to be changed depending on the condition of the springs
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