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Forums->Hot Heads Tech Talk->Desoto 276 in a 1947 Dodge Power Wagon

dbcolts
Desoto 276 in a 1947 Dodge Power Wagon


I'm trying to find out if there is a factory bell-housing/flywheel/clutch/pressure plate that will mate a DeSoto 276 hemi to a 1947 Dodge Power Wagon transmission (a New Process 420). I know later 1957-58 W500 trucks had hemi engines with New Process transmissions. Thanks for any help in this area. I know there may be adaptors out there, as well.
Thanks
David......rolleyes
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on: Sun 24 of Jun, 2018 [02:28 UTC] reads: 232

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ron37
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Re: Desoto 276 in a 1947 Dodge Power Wagon
on: Tue 26 of Jun, 2018 [21:25 UTC] score: 0.00
I see George caught what I forgot. I normally also tap the crank. I also machine out the clutch face lip to allow the 1/2" bolt heads to be tightened. I normally use the old flywheels, because I have several around. Just like I sometimes use later small block aluminum bell housings and the old original 3/4" tranny spacer. That I cut off some of the spacer bottom and also install indexing pins to match the holes in the late bell housing. Then get a crank/flywheel spacer from HH. If you need it, they got it or know what works. I see the old cast iron bell housings around now and then. They are heavy, so guys go with the later stuff. So if weight isn't an issue, they should be relatively cheap. Also you have a lot of guys going for automatic trannies, instead of the old standard shift. Another idea is a roller cam and lifters depending on your budget. I have them made with an original Mopar gear pinned on the rear, so you don't need a special bronze dizzy gear. Good luck.

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ron37
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Re: Desoto 276 in a 1947 Dodge Power Wagon
on: Sun 24 of Jun, 2018 [20:38 UTC] score: 0.00
All early hemi block trans bolt patterns are the same. So depending if your staying 6V or going 12V, here is what you need. Easiest way is get an old V8 hemi or poly 1950's bell housing. Then it will bolt right up to the engine and the trans. Next get a hemi flywheel. If it is 146 tooth, you can use the old 6 volt starter. It will handle 12 volt or change it to 172 ring gear. If you get a 172 tooth flywheel, you can use any 1957 and later starter. Next get a pressure plate that matches the flywheel bolt pattern. Many later pressure plates will match up. Then check the diameter of your pressure plate. Now get a clutch disk that size that matches the trans input shaft splines. They will be either fine or cores. Don't worry about if the disc is Ford, Chevy, etc. They all work, just the diameter and the right spline type or number. Hope this helps!

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George
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Re: Re: Desoto 276 in a 1947 Dodge Power Wagon
on: Mon 25 of Jun, 2018 [12:03 UTC] score: 0.00
Next get a hemi flywheel. If it is 146 tooth, you can use the old 6 volt starter. It will handle 12 volt or change it to 172 ring gear. If you get a 172 tooth flywheel, you can use any 1957 and later starter. Next get a pressure plate that matches the flywheel bolt pattern. Many later pressure plates will match up. Then check the diameter of your pressure plate. Now get a clutch disk that size that matches the trans input shaft splines. They will be either fine or cores. Don't worry about if the disc is Ford, Chevy, etc. They all work, just the diameter and the right spline type or number. Hope this helps!

The 426 Hemi flywheel bolts up after using a 1/2-20 tap on the crank flange & solves the starter & other of these questions.


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