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Pontiac of the Month

Pedja's 1968 Firebird

2019 March
of the Month

  • Welcome to Forever Pontiac

    We are a community of Pontiac enthusiasts. The purpose of our community is to keep alive the Pontiac spirit by sharing (or showing off) our cars, discussing Pontiac, helping each other work on our cars and find information, plus attend various meets/shows/etc... To aid discussion, sharing, event planning and selling of parts/cars/anything, we have various parts of the website to aid this from Forums to an online Garage to Classifieds to even a Document Download Repository. You can find links to these in our navigation above based on what each section helps with (discussion, local events, learning, etc...).

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Hello. My name is Brett and Im new to the club. I am putting back together a motor and having issues lining up water pump and crankshaft pulley....off by about 1/4". The old pulley blew off into the bushes never to be found so I could match up. 

Any insight?  Thanks inadvance

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:welcomeFP:

Unfortunately, I do not have any information on your pulley but hopefully one of the other guys will be along soon who can answer ;) 

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Welcome to FP.

I'd reach out to Frank's Pontiac Parts and see what they have on hand. I'd be surprised if they didn't have pulleys for a 389 or 421.

https://frankspontiacparts.com/

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Not using a Chevy water pump pulley are you? That will give you the difference you mention. If you had the A/C pulley and spacer on the crank, and didn't put it back on, that will give 1/4" the other way.

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