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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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| | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | The gear that screws into the transmission housing looks to be the same for 4sp/3sp, but the grooves will most likely be different for 3p vs 4sp?
Also, I dimly recall that the gears on 3sp/4sp internal shafts/couplings are different internal diameters?
Maybe someone will confirm/correct and post links to some photos? | | |
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