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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: Jun 2020 Posts: 73 'Bolter | | 'Bolter Joined: Jun 2020 Posts: 73 | I hope this is alright to post. Please delete if not. I'm getting a little frustrated trying to find a competent transmission shop. I have a 700r4 transmission I will be putting in my 54' and would like to have it gone thru and setup for this truck. Does anyone have any good experiences and suggestions for a shop in Michigan? I'm by Lansing but willing to travel a little to find a good trustworthy shop. Thank you for any suggestions anyone may have.
Adam
Adam
| | | | | Joined: Mar 2010 Posts: 1,660 Curmudgeon | | Curmudgeon Joined: Mar 2010 Posts: 1,660 | If you are not going original/stock on your truck, you may get more help posting in the HiPo Shop. I'll try to answer with what little I know.
You need to find a rod shop. Typical transmission rebuilders don't like getting involved with owner conversions or upgrades (owners damaging transmission by improper installation/setup).
A rod shop will have it rebuilt (or trade your core for one already rebuilt) for you then they will install and do setup especially getting the geometry of the carburetor throttle arm right and adjusting the TV cable (throttle valve).
Now I get to preach. I prefer original trucks but if I absolutely had to do a Chevy V8 I would put a TH350 behind it. It's old school but it's reliable and less hassle.
Yes it doesn't have overdrive but driving an AD truck with stock suspension at speeds above 65mph is a "White Knuckle" affair. You can't relax.
Yes, overdrive helps the gas mileage but the AD truck is not streamlined. Like a moving billboard in the wind. Preaching done.
"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
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