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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

gear ratios

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Old Sep 26, 2010 | 02:18 AM
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blackenedbodom
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gear ratios

i have a 4 speed borg warner t18 in my 1980 f150 and im wondering how do i determine the gear ratios also when looking for a new front axel for a 4wd conversion how will i be able to tell if the new ales) will work? thanks
 
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Old Sep 26, 2010 | 09:24 AM
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You can do a search on the web and find the different gear ratios in the tranny.

If you keep your questions about your 4x4 conversion in one thread, people will be able to follow what you are doing, which is trying to convert a f150 to have 3/4 ton axles. Then in another thread, you said you wanted a 70's straight axle front.

Basically all the 3/4 axles from the 70's are going to be the same, they only had two kinds; the Dana 44 and the Dana 60. I doubt you will find one of the Dana 60's from a early truck, they are not that common.

As far as "what will fit", it depends on your definition of "fit". Using my definition, none of them will "fit" since none of them will bolt in, and I have heard there are sometimes clearance problems between the pumpkin and the crossmember in a 80-up pickup when you try to make it fit.
 
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