C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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pulley questions please

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Old Jun 15, 2007 | 07:17 PM
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Juniorbat's Avatar
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From: Houston Texas
Default pulley questions please

should be finishing up the 74 this week.

small block 350.

only balancer i have around the house, is old small style for 327, so dont think it will work. Pulleys look off line with it on there, so will pull it and get a basic parts house one.

question is...do you use standard small block pulleys? its a/c, power steering, etc, but looks like belts will be close to the frame.

also what is the width or diameter of the power steering pulley?

i got a complete pump with pulley and brackets off an ebay vette guy, but considering the cradle bracket was wrong, now thinking about the rest of it. rebuilt pump though, and cant imagine they made a special pump for the vette.

i have a new stock 3 groove crank pulley, billet waterpump 2 groove, new sanderson compressor from vintage air and new alternator with new pulley. Just before I bolt it all in, want to make sure basic pulleys work.

thanks, know its a dumb question, but looked close on mock up. mounts are new and in original place, originally small block car, frame is redone so no damage, so its sitting where it should be sitting.
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Old Jun 15, 2007 | 07:42 PM
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From: Marietta ga
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the early vettes used a different water pump pulley which is no longer made by GM. The one currently made should fit your car... most vendors keep it instock.
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Old Jun 15, 2007 | 08:10 PM
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From: Albuquerque New Mexico
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The diameter of the power steering pump pulley is 6”.
The area that usually causes problems is the water pump pulley.
For the stock pulleys to line up one needs the corvette specific water pump. and the pulley to fit it.
Attached is a link to a set of after market pulleys I put on my 73. I am real happy with this set up.




http://store.summitracing.com/partde...5&autoview=sku

Last edited by Jc3vette; Jun 15, 2007 at 08:12 PM.
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