1967 Other Pontiac Models 427 timing advance question

1967 PONTIAC
2,000 MILES • V8 • 2WD • AUTOMATIC
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I have a tall deck 427 with an 871 supercharger on it.It has been all done up.I was wondering the factor timing is 4-6 degrees and I was wondering in a blower app.If I can advance the timing to to 18 degrees...
May 5, 2009 at 1:04 PM
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