how much timing to pull
gsr motor with stock compression
port n polished head with polished chambers
bkr7e spark plugs
93 octane
JRSC @ 6psi
i was thinking of taking out 4 degrees for the meantime
port n polished head with polished chambers
bkr7e spark plugs
93 octane
JRSC @ 6psi
i was thinking of taking out 4 degrees for the meantime
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