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

gear question?

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Old Jun 4, 2008 | 09:03 PM
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speedracer54729's Avatar
speedracer54729
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gear question?

i have a 85 f-250 with straight axels not sure if it was factory i boughyt a 84 f-250 diesel frame with IFS will the gears from the ifs axel fit in my straight axel??
 
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Old Jun 5, 2008 | 08:42 AM
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Not likely. The straight front axle is probably a D60 and the biggest IFS front axle was a D50 which uses a ring gear similar to a D44. The 85 may also have a sterling 10.25 rear where as the 84 may have a D60 rear.
 
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Old Jun 5, 2008 | 08:57 AM
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If they are both D44's then yes they can be interchanged.

TTB and straight axle D44's use the same R/P except if it's a High Pinion D44 straight axle. They are different.
 
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