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 9/44 crown & pinion "long nosed" K(N-)diff		  Forum Locked  Topic Locked
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MGuy

Luxembourg
37 Posts
Posted - 05/01/2014 :  11:11:04  Show Profile
I'm looking for a new 9/44 crown & pinion for a "long nosed" K(N)-diff (+/- 190mm -> 3 bearings!!!). Is there anybody, who would sell a set? Or are there any other people who would be interested to join an order to increase the costs of production?

rossk

United Kingdom
495 Posts
Posted - 05/01/2014 :  19:54:20  Show Profile
I would try Guest Gears as Nigel will probably put you in touch with the last person who had a batch made.

Ross Keeling
Edited by - rossk on 05/01/2014 19:54:43
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etlanpa

United Kingdom
560 Posts
Posted - 06/01/2014 :  09:12:19  Show Profile
I just had a 10/43 (short) made by Guest Gears...
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bahnisch

Australia
674 Posts
Posted - 06/01/2014 :  10:16:55  Show Profile
When I got my F-type it had a broken cw and p (a common problem with F-types!). I put Morris Minor internals in it, I dare say that Morrie Minors are getting a bit thin on the ground these days but there are many ratios and they are hypoid. Fairly simple mod but the Morris Minor mounting flange must be made thinner.
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MGuy

Luxembourg
37 Posts
Posted - 06/01/2014 :  19:15:24  Show Profile
@ bahnisch: I believe the K-axle is the only one different to all the other MMM cars, so the big half-shafts of a K wouldn't fit into the Morris differential.

@ ross & etlanpa: I tried Guest Gears, but they haven't got a long pinion (3 bearings) for me on the shelf, and the batch made 3 years ago for the MMM-people were short ones (2 bearings). Also going from 9/44 (which I had) to 10/44 is o.k. for Hornets with 1600 blown engines and 16 inch wheels on the track. I need it for road use in the hills here in Luxembourg having 19" wheels on my K. Luckily, I got the news today that one of the Hornet owners will sell me his 9/44 CWP which he is going to take out.
Edited by - MGuy on 06/01/2014 23:18:21
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rossk

United Kingdom
495 Posts
Posted - 07/01/2014 :  19:47:09  Show Profile
I can make you a straight cut one if you get stuck.

Ross Keeling
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MGuy

Luxembourg
37 Posts
Posted - 14/01/2014 :  11:38:02  Show Profile
A straight one would be an emergency solution, as the noise is apparently impressive in a street car. The Hornet-owner promised to take out his 9/44 soon to put his new 10/40 cwp. I'm trying to order the bearings now, and there was a QJ306TVP (splitted inner ring to put more balls inside) behind the flansh. Regarding the high forces, is this really better than a bearing with a 1 piece inner ring? Also the outer rings of the 2 other bearings (7306-B-TVP-UO) are just held by pressing them in. In my differential they moved and damaged the inside where they should stick. Shouldn't I improve the construction by a 2nd spacer between the outer rings of the front and the inner bearings on the pinion?
Edited by - MGuy on 15/01/2014 16:54:37
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Hornet

United Kingdom
382 Posts
Posted - 15/01/2014 :  20:08:13  Show Profile
i have been running straight cut cap for years and it slightly louder than the spiral one but you can hardly tell the difference .
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