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Old 02-01-2014, 03:02 PM   #7
INSIDIOUS '86
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Join Date: Jul 2009
Location: washington
Posts: 4,178
Re: msd pro billet spring setup

Quote:
Originally Posted by hereinmissoula View Post
didn't see sportsman heads. 34-36 would be best.
I would run as much timing as possible till it detonates then back it off

Also you may want to limit vac advance so it doesn't get to much timing under load or cruising.
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