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Old 02-27-2010, 10:48 PM   #8
Corts60
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Join Date: Jun 2008
Location: Holland, MI
Posts: 3,697
Re: vacuum advance problem

I would get a timing light for sure. I once put in a cam 4 degrees off in a 350 when I was a teenager and it ran great, until you tried to go over 4000 RPMs. . I didn't have a timing light then either and just eyeballed the rotor. So double check your on #1 TDC, ensure the rotor is lined up with #1 plug wire and then set your initial timing which is probably anywhere from 4-8 BTDC degrees on that engine.
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