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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!
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| | | | Joined: May 2005 Posts: 487 'Bolter | | 'Bolter Joined: May 2005 Posts: 487 | Hi guys,
Anybody have a drawing showing the dimensions on the input side of the transmission for the AD trucks?
Bellhousing to trans bolt pattern, input shaft length and diameter, pilot shaft length and diameter, bearing retainer length, etc I spent some time googling without satisfactory results. Thanks in advance.
regards,
Leon | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Leon, you have to tell us what year truck, the 1947 trucks used the older crashbox transmission, different mounting pattern and possibly different center hole. | | | | | Joined: May 2005 Posts: 487 'Bolter | | 'Bolter Joined: May 2005 Posts: 487 | Oh, I didn't realize. I thought all AD's 47.2 thru 55.1 were the same. I'm interested in the dimensions for the later ones, that have the same trans faces as 55-up. specifically 55.1
regards,
Leon | | |
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