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Registered
Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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get a decent timing light with adjustment to bring advance back down to Z1. Use same light for whole procedure as different mfg lights may read a few deg dfferent. Then your readings will be more specific.
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Ronin LB
'77 911s 2.7
PMO E 8.5
SSI Monty
MSD JPI
w x6
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