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Old 09-08-2007, 08:11 AM
Paul_S Paul_S is offline
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Default Crank Pulley ID...

Can someone tell me what pulley #346300 is for? It's a short water pump, two deep groove, 7.75" dia piece that's very clean and looks like it was mounted with a seperate third groove pulley. -hardly and mounting marks.

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Old 09-08-2007, 04:40 PM
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Default Re: Crank Pulley ID...

That's a Crankshaft pulley for a 1975-76 Corvette Smallblock equipped w/air conditioning.
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Old 09-08-2007, 05:20 PM
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Default Re: Crank Pulley ID...

Really.. with that low of a #... OK, thanks for the info. Wonder why only '75-'76 and what the differences are to other years.
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Old 09-08-2007, 05:47 PM
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Default Re: Crank Pulley ID...

For Chevrolet,7 digit part numbers are usually early,original production.
5 & 6 digits are usually a red flag for a much later on in production,(or superseded part #),as they had to tap into a whole new numbering system that hadn't been used yet.

I think they went to a non deepgroove pulley after 76.
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Old 09-08-2007, 08:08 PM
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Default Re: Crank Pulley ID...

Yup, that's right. ..and I didn't miss a number like I was thinking after I posted.
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