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dodge truck overdrive ?

dodge truck overdrive ?

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Old

06-11-2008 | 10:05 AM

#1

p-300

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Question

dodge truck overdrive ?

hi,i have a '61 dodge p-300. a 1 ton stepvan.it has the original 4spd trans.i would like to have a later model overdrive manual trans for it.one that i can use the existing bellhousing with.i know i may have to change the clutch disc and modify the driveshaft.i just need to know which tranny to use.any suggestions? thanks,pat

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Old

06-11-2008 | 01:21 PM

#2

Doc

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WOW ... you have got to do alot of comparing. Input shaft lengths, spline diffs, pilot bushing ID's ....etc.

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Old

06-11-2008 | 06:00 PM

#3

78D200

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Joined: Apr 2008

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From: Goffstown, NH

what do you have for a motor?

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Old

06-12-2008 | 02:56 PM

#4

p-300

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hi,the p-300 has a 318 w/4bbl, and torque cam.this has carried me to alaska and back as well as all over the lower 48.it has 4.10 gears [spicer 70].and i'd like better gas mileage..pat

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Old

06-12-2008 | 04:25 PM

#5

78D200

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From: Goffstown, NH

like Doc said, you'll have to do some measuring. I'm sure that Advance adaptors has something that you will help you adapt an OD manual to your LA 318.

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Old

06-12-2008 | 11:35 PM

#6

Doc

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Quote:

Originally Posted by p-300

hi,the p-300 has a 318 w/4bbl, and torque cam.this has carried me to alaska and back as well as all over the lower 48.it has 4.10 gears [spicer 70].and i'd like better gas mileage..pat

I would look at putting on a set of taller tires or maybe a spread-bore carb ...aka a ThermoQuad.

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Old

06-18-2008 | 10:54 AM

#7

p-300

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hi.i put 17.5" rims and tires on it 18 yrs ago.and i'm using a holley econo master carb..an overdrive trans is what i need.thank you..

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Old

06-18-2008 | 07:42 PM

#8

78D200

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From: Goffstown, NH

what about installing an auto like an A518 (I think thats the one with OD).

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Old

06-19-2008 | 12:57 AM

#9

Doc

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what kind of mpg are you getting now?

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