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SP250 inner axle shafts - spline count?

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Dan62SP250
Posts: 17
Joined: Wed Aug 10, 2016 1:53 am
Location: Rochester, NY, USA

SP250 inner axle shafts - spline count?

Post by Dan62SP250 »

Hello everyone,
I have not had the opportunity yet to dissemble my rear axle assembly for my SP250, but was wondering what count the inner splines are for the inner ends of the axle shafts - the portion that engages the differential. Are they the same for series 1 and series 2 rear axle assemblies as well?

Background to the question: I am wondering if any of the Dana Spicer model clutch limited slip designs (powr lok series, I was thinking Dana 27 or Dana 30) might fit an SP250 differential. My car is a B-spec car (July '61) and I believe I have the series 2 rear axle assembly.

Best regards,
Dan

silverdart
Posts: 285
Joined: Sat Feb 13, 2016 10:49 am
Location: West Midlands

Re: SP250 inner axle shafts - spline count?

Post by silverdart »

Hi Dan, There are 18 splines on the inner ends of the axle shafts.
The shafts are interchangeable between cond. 1 and cond. 2 axles.
I have rebuilt an axle recently and would be happy to help with advice if needed.

Dave.

Dan62SP250
Posts: 17
Joined: Wed Aug 10, 2016 1:53 am
Location: Rochester, NY, USA

Re: SP250 inner axle shafts - spline count?

Post by Dan62SP250 »

Hello Dave,
Many thanks for the information. At 18 splines, there is no obvious tie-up with the Dana Spicer units, but it is interesting to continue to learn about these cars.

Thank you for your kind offer as well --I will be starting on my rear axle as part of the restoration sometime this summer and will contact you as I get started.

Best regards, Dan

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