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| | | Forums66 Topics128,036 Posts1,055,460 Members48,422 | | 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: May 2001 Posts: 1,904 'Bolter | | 'Bolter Joined: May 2001 Posts: 1,904 | One source says the rear ends with an "HW" code were 4.11's from '67-'69 C-20's. Could that correspond to your "hw03206"?
They apparently switched to a 4.10 in '70.
Still don't know if it would work for you.
I got this from the "Chevrolet Pickup Red Book." 1946-1972 Chevies by the Motorbooks International company (published 1993). I know there are some mistakes in this book, mostly omissions. It is kind of useful, though. I don't remember the book being mentioned in the forums.
Last edited by Wally / Montana; 02/28/2015 12:02 AM.
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
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