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swamp rat · 10-21-2007, 03:00 PM

All I can think of is that possibly you have a balancer or pulley(s) off of different year trucks... That link I have at work list all the pulleys and there spec's that Gm has made.

10-21-2007, 03:00 PM	#38
swamp rat Registered User Join Date: Oct 2007 Location: Spanaway Posts: 8,451	Re: Crank pulleys. All I can think of is that possibly you have a balancer or pulley(s) off of different year trucks... That link I have at work list all the pulleys and there spec's that Gm has made.