D70 spline count ?

Clutch, transmission, rear axle

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zakt
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D70 spline count ?

Post by zakt »

I got the D70 rear out of the 1967 F350 2wd any ideas on what the spline count on that is 35??

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averagef250
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Post by averagef250 »

23
1970 F-250 4x4 original Willock swivel frame chassis '93 5.9 Cummins/Getrag/NP205/HP60/D70
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two-bit
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re: D70 spline count ?

Post by two-bit »

Ya its 23, and only 23spline parts will work in that housing too!
I wanted to upgrade my D70 in my '72 to 35 spline.
NO LUCK. Shafts are different lengths, so you have to stick with '67-'72 shafts for that diff. Or get a totally different diff housing.
Lockers are available. It just might take you some time to find one.

Wow am i rambling :eek: :eek:

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Post by 72hiboy4x4 »

I heard when I installed my D-70 under my truck, that if its a 2-piece carrier, a (chevy)14 bolt locker would fit it. Haven't figured out if thats in fact true, but thats what I heard.
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