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Click on image for the lowdown. 
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| | | Forums66 Topics128,164 Posts1,056,977 Members48,458 | | 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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#24888 03/01/2004 4:27 AM | Joined: Jul 2003 Posts: 101 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2003 Posts: 101 | Here's a site with probably more than you want to know about GMC transmissions. It lists the gear ratio's for Clark 5 speeds. http://www.6066gmctrucks.org/SM420.htm According to my 47-54 GMC manual the 5 speeds were found in 400 series trucks. | | |
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