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Click on image for the lowdown. 
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| | | Forums66 Topics128,038 Posts1,055,583 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!
| | THANKS!
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: Mar 2004 Posts: 874 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 874 | first48,
You can swap in any 4.57 third member up to '72. As long as it
is the HO52/HO72 3/4 and 1 ton Eaton drop out type and not the Dana/Spicer. | | |
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