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Sinister · 03-12-2010, 08:46 PM

Timed or Ported vacuum was a emissions crutch from the 70's, the truck will run much better with manifold vacuum to the vacuum advance.

03-12-2010, 08:46 PM	#4
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Re: vacuum line help Timed or Ported vacuum was a emissions crutch from the 70's, the truck will run much better with manifold vacuum to the vacuum advance. __________________ Beat it to fit, Paint it to match...