BB crank pulley? - Team Camaro Tech
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post #1 of 2 (permalink) Old Dec 16th, 08, 11:38 AM Thread Starter
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Join Date: Jun 2007
Location: Camaro town
Posts: 30
BB crank pulley?


I need I new pulley to my motor. The one I have now is the #3955290 AD. And I would like to have a new one, but i cant find anyone.

Classic industries does have one who replaces the 3955291.....what is the difference between the 290-291 pulleys?

The 290 is for 1969 L35-L34 motors whith power brakes.

And the 291 is for 1969 L78-L89-L72 motors with power braked.

But is there some difference in measurement between the two pulleys.
My 290 is a 2 grove, Long waterpump, 6 3/4 O.D.

Or is there another sort of pulleys who have the same measurements as my 290?

Thanks Kristoffer
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post #2 of 2 (permalink) Old Dec 16th, 08, 02:56 PM
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Join Date: Jun 2007
Location: Melbourne
Posts: 265
Re: BB crank pulley?

My guess would be that the 291 is a deep groove pulley,due to hp rating.
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