Does anyone know how many splines are on...

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10-12-2006 | 09:48 PM

Stampede4ever

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Does anyone know how many splines are on...

the tail/main shaft of an automatic trans for a 4x4, 1/2 ton, that fits in the transfer case?

Thanks.

Last edited by Stampede4ever; 10-12-2006 at 09:53 PM.

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10-13-2006 | 01:58 PM

12secSS

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What trans is it? The tailshaft has the same spline as a TH350/TH400 if it is a 4L60E.

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10-13-2006 | 02:32 PM

Stampede4ever

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Looking the all of the auto trans, that are available for 98 and up?

Thanks.

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10-13-2006 | 03:19 PM

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Yes, it is the same as the 98 up models.

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10-13-2006 | 07:07 PM

Stampede4ever

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How many would that be?

Thanks.

Last edited by Stampede4ever; 10-13-2006 at 08:28 PM.

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10-13-2006 | 10:26 PM

DrX

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Tried to find an end-on shot but couldn't. Could only guestimate from these pics. This is FLT's 4X4 Billet Output Shaft.

Last edited by DrX; 10-13-2006 at 10:32 PM.

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10-15-2006 | 10:12 PM

Stampede4ever

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Need to know both of them.

Thanks.

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10-16-2006 | 12:07 AM

DrX

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Looks like 27 spline on a 4l60e. 32 spline on a 4l80e.

Here's an excerpt from the t-case section of the service manual:

There are two versions of the NVG 246 EAU, which depend on the transmission applications and vehicle applications. If the vehicle is equipped with a transmission RPO M30, the transmission splines in the input gear will have 27 teeth. With this application the planetary carrier assembly will have 3 pinion gears. If the vehicle is equipped with transmission RPO MT1 or MN8, the transmission splines in the input gear will have 32 teeth. The planetary carrier assembly on this application will have 6 pinion gears.

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