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#93260 - 02/01/18 09:31 AM TH350 Output Shaft?ís
DeuceísCustoms Offline
Bulletin Board Only Member

Registered: 01/23/18
Posts: 1
Loc: Seattle, WA
I bought a TH350 with a cut output shaft.. need to put in a new one during the rebuild..

The question is..

Is it better to go with the shorter output shaft.. or shorter drive shaft?

My thoughts are the shorter the drive shaft the better..

Itís in a 67 C10 longbed with a mild 292.. so the driveline is already Ďyuge..

Cheers!

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#93265 - 02/01/18 11:41 AM Re: TH350 Output Shaft?ís [Re: DeuceísCustoms]
panic Offline
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Registered: 01/11/05
Posts: 1548
Loc: Hempstead, Long Island, NY
If the D/S is short, taking anything off increases the range of pinion incline angle during suspension travel and stresses the U-joints.
With your long D/S I think you're safe to take some off.

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#93274 - 02/02/18 06:43 AM Re: TH350 Output Shaft?ís [Re: DeuceísCustoms]
Blackwater Offline
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Registered: 05/20/16
Posts: 244
Loc: Middle Tennessee
The shorter tailshaft and housing is MUCH stronger!! We often substituted the shorter TH350 in anything even remotely high performance when I worked for the big transmission shop in Nashville.

We did most of the hotrod and racing builds around here back then. The rear drum and planetary holds up much better in the short version, so we would have the local drive shaft builder install a new tube in the driveshaft for the customer.
_________________________
Never use a minor caliber bullet on a major caliber adversary

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#93279 - 02/03/18 10:04 AM Re: TH350 Output Shaft?ís [Re: DeuceísCustoms]
panic Offline
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Registered: 01/11/05
Posts: 1548
Loc: Hempstead, Long Island, NY
I defer to someone with actual experience, makes sense to me.

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