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Mustang Brandon · 02-18-2004, 10:45 PM

ive been looking at a bunch of stangs and reading there mods list. a lot of them have an under drive pulley. i know where it goes on the engine but what does it do.

02-18-2004, 10:45 PM	#1
Mustang Brandon Registered Member Join Date: Feb 2004 Location: louisville, kentucky Posts: 88	underdrive pulley ive been looking at a bunch of stangs and reading there mods list. a lot of them have an under drive pulley. i know where it goes on the engine but what does it do.