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Registered User
Join Date: Mar 2015
Location: kearns
Posts: 1
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72 gmc timing
I have a 1972 gmc 1/2 pickup with a 350. I have changed the distributor to an hei with a 65,000 volt coil. The carb is an edelbrock 750 jetted down to a 650. It has an rv cam and I don't know the specs. What should I set the timing at?
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