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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!
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| | | | Joined: Feb 2006 Posts: 150 Shop Shark | | Shop Shark Joined: Feb 2006 Posts: 150 | I'm wanting to install A/C in my 1954 3100 and it has a 283 Chevy motor in it. The harmonic balancer has a single groove pulley riveted to it. It may well be from a 1957 Corvette motor. I'm guessing the harmonic balancer is not drilled or tapped for pulley(s). What are my options to upgrade to a double groove assembly?
PS The crankshaft is drilled and tapped for an bolt.
Thanks
Steve | | |
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