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| | | Forums66 Topics128,078 Posts1,055,936 Members48,430 | | 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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#44226 07/13/2003 7:08 AM | Joined: May 2003 Posts: 224 Wrench Fetcher | | Wrench Fetcher Joined: May 2003 Posts: 224 | on the three on the tree transmisions, they started using them in the 50s on til the late 70's right? well in those twenty years they had a bunch of different types and models. did they improve through the years at all? if so, in what areas? would the old AD 3 speeds work just as well as the ones they used in the 60's and 70's?
and am i the only one that likes them?! | | |
#44227 07/13/2003 5:02 PM | Joined: Mar 2001 Posts: 327 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Mar 2001 Posts: 327 | Yes, they are sweet little trannys and really nice if you have the overdrive. I don't know about improvements, but I'm certain someone on here knows.
Oly in Oregon Rest in Peace1945 GMC COE Victory Truck 1953 Willys CJ3B 1955 Chevy 1st series 3/4-ton 1958 WIFE Last series Never say "Whoa" in a mud hole
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#44228 07/13/2003 5:04 PM | Joined: May 2003 Posts: 7 Member | | Member Joined: May 2003 Posts: 7 | the old AD trans is a torque tube driveline type
the newer three speed is a slide in yoke and has a lot more parts availible but unsure if it will bolt to an AD bellhousing the newer 3sp is made to be mounted in a crossmember should have the same input shaft splines as the AD trans | | |
#44229 07/13/2003 9:32 PM | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | the earlier 3spd's had no 1st gear syncro - then they were fully syncro for trucks 68 on - the full syncro 3spd is direct bolt in for the earlier, prolly right back to start of open drive - I've got the later syncro trannys in both my 57 and 58 drivers - nice  Bill | | |
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