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| | | Forums66 Topics128,077 Posts1,056,280 Members48,441 | | 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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| | | | Joined: Jan 2002 Posts: 2,254 'Bolter | | 'Bolter Joined: Jan 2002 Posts: 2,254 | Patrick's antique parts shows an adaptor for the gm Saginaw cast iron 4 speed for the torque tube trucks.
I have a 48 3100 with the torque tube and would like to hear if anyone has used this.
How do I identify this transmission?
How much are they worth?
Is this a good option instead of the 3:55 gears?
What else is needed for this conversion?
Any other information is welcomed.
Thanks
Dennis
-there is nothing stronger than the heart of a volunteer-
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