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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: Apr 2006 Posts: 46 New Guy | | New Guy Joined: Apr 2006 Posts: 46 | My '53 GMC Series 100-22 1/2 ton has a four speed transmission, 1st is a super low granny gear. It appears this is an optional upgrade rather than the standard three speed. I need to replace some clutch parts and can't figure out what size clutch plates I need (9 1/8", 10", bigger...). And who might have an appropriate clutch kit?
Thanks in advance for your help,
Craig
1953 GMC half-ton
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