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Old 01-11-2007, 10:29 PM   #1
Sport/Truck
Sierra Grande Club
 
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Join Date: Jan 2007
Location: New Mexico USA
Posts: 2,433
Yet another pulley question.

I think I figured out why my alternator, power steering & water pump pulleys were mismatched. But to spare you the drama, I’ll get to my question.
Here are the numbers that are on the pulleys.
The thin inner is stamped steel single v-groove with the # 3755820BG.
The outer is cast iron double with one slightly large v-groove (which will be in the middle when installed)
The number is C4296.
Thanks for any info or pictures that can clear this up.
s/t
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1971 GMC Sierra Grande, 1/2 ton short wide, original 4 bolt 010 020 block & heads. (matching #'s). 383 stroker, SMI q jet 750 cfm, Lunati Voodoo 60102 cam, Scorpion roller rockers, Spin Tech pro street mufflers with X pipe.

Last edited by Sport/Truck; 10-04-2007 at 08:09 PM.
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