93 D1, Fine spline?

**roverv8** · 14th December 2009, 07:15 PM

A 1993 D1 that came out with a 3.9 engine .
Is this likely to have the 24 spline diffs?

In other words did the change from 10 to 24 spline occur the same time as 3.5 to 3.9 engine

Thanks Luke

**langy** · 16th December 2009, 02:31 AM

Probably not - the 3.9 started to be fitted to Disco's earlier than 93. If the rear axle end is domed, it's 10 spline. Flat rear axle end is fine spline. Front axle end domed, ditto 10; Dust cap, fine spline.

**long stroke** · 16th December 2009, 07:19 AM

Just rip one of the rear axles out (5 bolts) than you can be shore

TIM.

**discowhite** · 16th December 2009, 08:37 AM

Originally Posted by langy

Probably not - the 3.9 started to be fitted to Disco's earlier than 93. If the rear axle end is domed, it's 10 spline. Flat rear axle end is fine spline. Front axle end domed, ditto 10; Dust cap, fine spline.

computer says NO!
my first D1 was a KA late 1992 it had flat end caps (like the 24 spline axles) and was 10 spline front and rear. front had the dust caps.

cheers phil

**long stroke** · 16th December 2009, 09:20 AM

Originally Posted by discowhite

computer says NO!
my first D1 was a KA late 1992 it had flat end caps (like the 24 spline axles) and was 10 spline front and rear. front had the dust caps.

cheers phil

Yeah thats what i thought, the rangie 10 spline rear axles seem to have a rounded type flange where my 92 10 spline disco is smaller and more flat, and yeah they have the dust caps up front on the early d1's as Phil has said...

TIM.

**101RRS** · 16th December 2009, 09:36 AM

Some of the interim D1s (3.9s) that were sold from about Oct 93 to May 94 in Australia had 24 splines some had 10 spline. This was the change over period. The first series of D1s were all 10 spline, the updates were all 24 spline but the interims could have been either (however most were 10 spline).

Garry

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