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

Rear Diff. ?

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Old May 21, 2002 | 10:02 AM
  #1  
Kris_Ranger's Avatar
Kris_Ranger
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From: Austin USA
Rear Diff. ?

 
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Old Sep 9, 2002 | 04:50 PM
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gultar's Avatar
gultar
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From: Huntsville AL
Rear Diff. ?

Can any one help me decifer this rear diff tag, it reads as follows:

WDM DC 1C30
2 47 9. S 322B

This is on an 81 F100, it came with a 300 IL6 & 3sp w/OD manual trans. But has been converted to a 302 & C6. Would like to replace rear gear & install a posi unit, but I do not know how many splines are on the axle. I do not want to replace the axles if I can avoid it.

Thanks in advance for any help.
 
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Old Sep 9, 2002 | 06:07 PM
  #3  
82F100SWB's Avatar
82F100SWB
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From: Dryden, ON, Canada
Rear Diff. ?

OUCH, 2.47 gears man....
I'm not 100 percent positive, but, I'd be willing to bet that you have 31 spline axles.
Evan
86 F250 HD XLT Lariat Explorer 4x4 ex. Extended Cab:
460/T19/BW 13450 3.55 geared Full Floater 10.25 and Dana 50 TTB
1982 F100 SWB
300 HD: NP 435/2.75 geared 9", was the driver, now a parts donor.
78 F150, 351M/C6, eventually to be repowered with a 400
 
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