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Old 05-24-2006, 07:07 AM
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Quote:
Originally Posted by docvette

Total around 34 to 36 is usual on a stocker with advance hooked back up..
Hello Doc. I believe you mis-spoke here. The vacuum advance should be dis-connected and plugged when checking / setting the Total Mechanical Advance. Yes the 34-36 degree is a good range to shoot for; but if the vacuum advance was connected when checking for Total the numbers would be much higher. In the 50 degree+ range for a stock (non-computer) GM HEI using full vacuum source and checking under No Load.

The vacuum advance is not re-connected until after setting / checking the timing.
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