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Mod | | | Forums66 Topics128,043 Posts1,055,610 Members48,426 | | 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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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Dec 2004 Posts: 1,897 Shop Shark | | Shop Shark Joined: Dec 2004 Posts: 1,897 | I would consider using a 700R4 with the stock 3.90 gears. You would get a better launch and a better cruising speed.
I destroyed the factory Eaton HO33 Rear in my 59 gmc 1/2 ton long bed when I swapped motors. The cast banjo housing could not stand up to the torque of the engine I was running and was literally ripped apart. The engine I was running was built for about 325HP and 450/lbs torque.
I believe the factory rear should stand up well to 350 lbs and less. | | |
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