Jump to content
Forums Gone... but not forgotten!
Pontiac of the Month

360Rocket's 1970 GTO

2024 February
of the Month

  • Rev up your passion for Pontiacs and join our vibrant community of enthusiasts!

    Whether you're a die-hard fan of classic muscle cars or you've got a soft spot for sleek modern models, you've found your home here at Forever Pontiac. Our community is dedicated to celebrating everything Pontiac, from the iconic GTO to the legendary Firebird and everything in between.

    Unlock access to expert advice, stunning photo galleries, engaging discussions, exclusive events, and more!

    Start your Pontiac journey with us today!

    Sign up now! 🏁

Recommended Posts

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

image.thumb.png.e92a70cd1781e8d3c19c6224d1ea2133.png

Link to comment
Share on other sites

Tired of these Ads? Register Today!

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/

Link to comment
Share on other sites

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.

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Tired of these Ads? Purchase Enhanced Membership today to remove them!
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.