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Old 01-14-2007, 08:24 PM
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wtm442 wtm442 is offline
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Join Date: Aug 2004
Location: Squantum (part of Quincy), MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
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Question

50 degrees total? WOW

1) Do you have light and turn dial to see 50? Not recommended. Put light on zero and use timing tape/marks on damper.

2) Where is vacuum line? Attached to intake manifold? Wrong place. Should be attached to port at base of carb.


How much timing does vaccum add to total timing?

None. At WOT there is little or NO vacuum at the port at base of carb. The vacuum advance is only operational at steady RPM's and improves gas milage.
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