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Old 04-24-2003, 07:41 PM
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Post turbo 350 tail shaft

Does any body know what the difference between the 4" and the 6" tail shaft is on a turbo 350 tranny? Is one stronger then the other? Im building a 56 chevy truck with about 350 horse small block. It seems to me that the 6" would be better because the drive line would be shorter.
Any suggestions? Thanks.

(More inches is always better right?)

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Old 04-25-2003, 05:19 AM
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The difference is 2 INCHES......

Strenght wise.....no difference. Just use which ever one you have. The long is less desirable price wise because the short was used in Camaros/ and such but the long could be a advantage in a 1956 Chevrolet truck. I have a long Turbo 400 in the black 32 for the same reasons you mentioned......a stock aluminum Corvette drive shaft fit my 32 with NO modifications.

I rarely ever get a driveshaft cut/made. I find one in the salvage yard the correct lenght. The salvage yard I worked in part-time has a 24x36 building with nothing but driveshafts hanging from racks and I take my measurements and go find one.


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Old 04-25-2003, 07:42 AM
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Ahhhh, the magic of the short-tail Turbo 350. A 2 inch difference in length gives you the magic and keeps you from having you have a dumb old pickup truck transmission.
Most junkyards (oh, sorry...automotive recycling centers) have a great selection of driveshafts, most marked with year and car removed from information. AND...driveshafts are very reasonably priced.
(Don't tell your girlfriend you have a magic short-tail , she'll want the pickup tranmission every time)
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Old 04-26-2003, 06:49 AM
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The other day someone told me that the long one is for leafspring cars and the short was for cars/trucks with trailing arms and 4 bars where the drive shaft will be pulled out very little from acceleration and spring twist, made sense to me Ed ke6bnl So.Calif.
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Old 04-26-2003, 07:27 AM
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I find this discussion interesting since GM built the T-350 with 6 , 9 , and 12 tail housings.

I've never seen / heard of a 4 inch tail housing.
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Old 04-26-2003, 08:43 AM
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[quote]Originally posted by Crosley:
<strong>I find this discussion interesting since GM built the T-350 with 6 , 9 , and 12 tail housings.

I've never seen / heard of a 4 inch tail housing.</strong><hr></blockquote>

AHA!!! Someone actually reads ALL of the post and knows what they are talking about. Great.

This is not meant to insult the previous posters, but none of the previous posters seemed to have 'caught' the statement about a 4" tailshaft.
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Old 04-26-2003, 10:25 AM
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I've just always referred to them as short, medium and long. As far as the part on the difference between the leaf spring and coil spring that wouldn't make a difference. They use the same length yolk. The length of the shaft and housing have nothing to do with the travel of the yolk on the shaft, only the final length of the transmission.
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Old 04-26-2003, 11:53 AM
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[quote]Originally posted by Frisco:
<strong>

AHA!!! Someone actually reads ALL of the post and knows what they are talking about. Great.
</strong><hr></blockquote>

It probably comes from my long history of working on & sometimes against them.

The 12 inch tail housing is not often seen.

Not familar with drive shaft yolks, I've seen drive shaft yokes quite often...
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Old 04-26-2003, 12:18 PM
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Crosley.....Powell, manufacturer of refrigerators, radios, probably televisions, phonographs, and......automobiles1939- what 54?
I didn't catch the 4" deal, thanks for a cheerful chastisement!
Ever see the 47-48 Crosley sedan with Model A fenders and ARDUN "Flathead"? Only thing I didn't like was the tip body jazz.
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Old 04-26-2003, 01:54 PM
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[quote]Originally posted by pasadenahotrod:
<strong>Crosley.....Powell, manufacturer of refrigerators, radios, probably televisions, phonographs, and......automobiles1939- what 54?
I didn't catch the 4" deal, thanks for a cheerful chastisement!
Ever see the 47-48 Crosley sedan with Model A fenders and ARDUN "Flathead"? Only thing I didn't like was the tip body jazz.</strong><hr></blockquote>

========= Powel shut Crosley Motors down in June 52, sold everything in July if I remember correctly....

Some years ago I chatted with the guy that built the Model A fendered Crosley. I am having a senior moment trying to remember his name.


I was initially thinking the 4" tail housing comment was a typo...... so I waited a while before I brought it up.
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Old 04-26-2003, 02:36 PM
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I did NOT catch the 4 inch tailshaft either. I always remembered them as short, medium and the long.

I have only seen a few long tailshaft 350's. 2-3 MAX.

I do not own or have ever owned a Turbo 350. I prefer the Turbo 400 and just got my first 700R4 for my next project. The education begins all over again.......

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