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Click on image for the lowdown. 
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| | | Forums66 Topics128,026 Posts1,055,400 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!
| | 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!
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#35044 07/11/2003 1:16 PM | Joined: Jul 2003 Posts: 141 Member | | Member Joined: Jul 2003 Posts: 141 | Thanks for the URL info on trannies. Looks like we have a SM420. Does anyone know a surefire way to determine year of manufacture? | | |
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