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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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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: Apr 2007 Posts: 147 Shop Shark | | Shop Shark Joined: Apr 2007 Posts: 147 | Another option would be to add an overdrive. I have an overdrive ( Hone-o-Drive) in my 55 coupled to a Th400. I put this in in 1970, and I have never regretted it. I have run it with gears as high as 4.57 and still got good gas mileage. I am presently running 3.73 gears.
Those Hydramatics are an excellent strong transmission.
Bob
55 Cameo 396 TH 400 with overdrive
65 Caliente conv
67 BB Caliente conv
67 Mercury 1 Ton
76 GMC 3/4 ton 454ci
84 Buick Turbo Regal
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