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Click on image for the lowdown. 
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| | | Forums66 Topics128,157 Posts1,056,875 Members48,456 | | 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: Oct 2013 Posts: 137 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2013 Posts: 137 | I have a 400 Turbo tranny in my 69'GMC - believe it to be original. Is it a 3 speed - 2 distinguishable shifts, or more likely a 4 speed not making the last shift? | | |
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