Posted by Daryl in Oz [58.178.194.38] on Monday, December 09, 2013 at 16:26:56 :
In Reply to: vac distributor posted by mannyc [96.224.210.179] on Monday, December 09, 2013 at 13:12:27 :
You should pick up the vacuum above the butterfly in the carb, trucks with vac advance have a small port there. If you pick up below, the vac goes to full vac advance as soon as the engine either cranks enough or fires up, so no real advantage over a non-vac dist.