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Old 02-15-2006, 01:11 AM   #1
VetteVet
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
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Re: Help: Weird Timing Mark Location

You need to go back to basics on the tune-up before getting too far off base.
What was the idle rpms when you checked it they should be set at 600 or near. Was the idle rpm set with a vacuum gauge and like Jhow said did you have the vacuum hose off the distributer and plugged .
If your mechanic said number 1 was at top dead center and the timing mark was on zero, what makes you think the outer ring has slipped?
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74 corvette convertible
1965 Harley sportster
1995 Harley wide glide

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