half shafts
Thread Starter
Safety Car
Joined: Dec 2012
Posts: 3,974
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half shafts
Any recommendations for some heavy duty half shafts for my 69 vette with 650hp and 600 trq I will be running tom's 31 spline inner and outer stub axles with probably a 12 bolt rear end my tranny is a t56 rated at 700 
Race Director
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From: Corsicana, Tx
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I had mine custom made locally at a truck driveshaft shop for 1480 Spicer solid joints. 3.5" x 134" wall tubing. Using it with Tom's outer axles and my custom Dana 60 IRS setup.
JIM
JIM
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Old Pro Solo Guy
Joined: Dec 2017
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From: Marlton NJ
I did some math on this a while ago. With your power the 3.5"x.134" wall half-shaft should be great, and under no more stress than a stock half-shaft with a stock 350.
On the other hand, even the 1480 u-joints will be at or past their stress limits with a stick shift and all that gear multiplication!
You need their strength vs the stock sized 1350s.
On the other hand, even the 1480 u-joints will be at or past their stress limits with a stick shift and all that gear multiplication!
You need their strength vs the stock sized 1350s.
Thread Starter
Safety Car
Joined: Dec 2012
Posts: 3,974
Likes: 673
1480 axels
I did some math on this a while ago. With your power the 3.5"x.134" wall half-shaft should be great, and under no more stress than a stock half-shaft with a stock 350.
On the other hand, even the 1480 u-joints will be at or past their stress limits with a stick shift and all that gear multiplication!
You need their strength vs the stock sized 1350s.
On the other hand, even the 1480 u-joints will be at or past their stress limits with a stick shift and all that gear multiplication!
You need their strength vs the stock sized 1350s.
this is my 66 which I am having a dart little m block with all the good parts to go with it.
Le Mans Master
Joined: Oct 2006
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From: Gladstone MO
C3 of Year Finalist (appearance mods) 2019
I just did Tom's 31 spline outer axles-- the catalog price is not correct. I don't remember the actual cost, but I think it was $1050.00 Bearings, seals, spacer, studs, (your choice of 7/16 or 1/2" ) and the axles.