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Click on image for the lowdown. 
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| | | Forums66 Topics128,203 Posts1,057,414 Members48,471 | | 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: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | I just now noticed that this topic is about the "infamous SM420".
"infamous" = adjective. having an extremely bad reputation: an infamous city. deserving of or causing an evil reputation; shamefully malign; detestable: an infamous deed. Law. deprived of certain rights as a citizen, as a consequence of conviction of certain offenses.
I do not think of that transmission as having a bad reputation?
I think of it as the famous and favored SM420 transmission.
"The SM420 has proven to be one of the best transmissions ever built." (see the Novak Conversions links, in two prior posts, above) | | |
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