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Mod | | | Forums66 Topics128,078 Posts1,056,044 Members48,433 | | 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
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| | | | Joined: Jul 2019 Posts: 24 New Guy | | New Guy Joined: Jul 2019 Posts: 24 | I agree with 52Carl. Been a bit since I've been in the bottom of a 400 but iirc there will be a linkage running from the selector back to a tapered pin that forces the parking pawl up to engage one of the drums. this is held in place by a bracket and the pawl itself has a spring to retract when the pin is moved. I think the pivot pin for the pawl gets driven in from the external rear of the case and the hole is plugged with a small cup plug.
Not seeing many good pics in a google search. The only problem I could see running into trying to install the setup would be some of the holes not being drilled out.
Chris
Too many to work on
4 bolts, 2 square bodies, 4 GMT400s...and those are the keepers
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