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Mod | | | Forums66 Topics128,035 Posts1,055,528 Members48,425 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Oct 2007 Posts: 45 'Bolter | | 'Bolter Joined: Oct 2007 Posts: 45 | I've searched the forums back five years but can't find a definitive answer to this question.
I have a '56 235 truck engine with 1/2" wide harmonic balancer and generator pulleys. To avoid moving the radiator in my '54 3100, I've ordered a short shaft water pump from Patrick's with a 3/8" wide pulley; a 1/2" wide pulley is not available.
Can I use a 3/8" wide belt with this setup or must I find a 3/8" harmonic balancer and generator pulley?
Finally '54
| | | | | Joined: Aug 2008 Posts: 403 Shop Shark | | Shop Shark Joined: Aug 2008 Posts: 403 | There are several new parts dealera around the country who have gone and bought old new Chevy GMC and GM parts for sale. You might try and find one of these guys. We have one in California who specializes in Chevy Cars and might have a balancer and pully you could use. The parts he sells were manufactured by GM. at one time.
I still might have his number here. I am sure all the pulleys are the same on each engine.
62Blue
Don
Last edited by Don G.; 10/28/2009 2:14 AM.
62Blue
62Chevy in progress
You've never been lost until you've been lost at Mach3" Paul F Crichmore (Test Pilot)
| | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | A 3/8" belt works fine in a pulley designed for a 1/2" belt.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Oct 2007 Posts: 45 'Bolter | | 'Bolter Joined: Oct 2007 Posts: 45 | Thanks. Can't wait to try it.
Finally '54
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