how much initial advance for a SBF ?

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#10 (permalink)

09-04-2012, 10:27 PM

zrayr

CC Member

Join Date: Aug 2007

Location: NE Oklahoma, OK

Cobra Make, Engine: Fords

Posts: 544

Not Ranked

got the best vacuum signal at 18 degrees BTDC, so that's my starting point, using the 21 degree bushing, giving a total of 39. Stock is 40 degrees , so I'm not too far off as far as that goes.

thanks for information.

by the way, I'm hearing that the screens I'm using are too restrictive ? Any one done a with and without comparison?

Z.

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