I am in need of a new 727 automatic transmission for my d150 pickup. I can pick one up out of a diplomat for $75 bucks or pull one out of a truck at the junk yard. Im thinking the car one will be geared differently? Would that impact towing im gonna run hookers headers so somewhat increased torque. Opinons? thanks
Dave

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87 d150 2bbl carb 225
79 f250 300 v8
97 cavalier z24
83 f150 straight 6
89 f450 diseal 4x4 dually 5sp

I dont think the Diplomat would have a 727. What year diplomat would this be? I think I would stick with the truck trans. Less likely to have a lockup transmission. Also the tailshaft length has to match. So the truck would be the best bet. Most diplomats had the smaller trans [999] that was a lockup style. Im assuming that the Diplomat is a mid to late eighties version.

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1979 W150 Shortbox
225, NP435, 9 1/4, Dana 44

The Good Life.

im not sure the guy didnt say what year. Your probably right about sticking with a truck transmission.

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87 d150 2bbl carb 225
79 f250 300 v8
97 cavalier z24
83 f150 straight 6
89 f450 diseal 4x4 dually 5sp

Didnt some of the Dippys get 727's for Taxi and Cop cars?
Frank

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Scrapple: Because a mind is a terrible thing to waste.
73 Duster - Race Car
66 Dart Wagon - DD
178" FED
82 D150
All Slant powered

If you find the trans serail # I can probly ID it for you.look just above the oil pan on the driver's side. It will start with P or PK and then 7 or 8 numbers.

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V8?? We don't need no stink'n V8!!