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Click on image for the lowdown. 
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| | | Forums66 Topics128,197 Posts1,057,261 Members48,466 | | 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: Jul 2000 Posts: 962 Shop Shark | | Shop Shark Joined: Jul 2000 Posts: 962 | Ftylers right. If you're doing a swap anyway go for the OD. Then use 4.11-3.55 gears and you'll have grunt and cruising speed too. The 700R4 is a good unit & properly prepared can take the power of a hot street 350. Heck they were used in stock trucks with big engines for years.
If using the TH-375, check into it, because there was a 375 and 375B which are different internally.
good luck
chip
Preaching the Hot Rod Gospel according to the 4-stroke apostles:
Suck, Squish, Fire and Fumes
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