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Old 11-25-2011, 06:20 PM
Speedwaypj Speedwaypj is offline
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Join Date: Sep 2007
Location: Sanford, FL
Cobra Make, Engine: A&C (near future)-460
Posts: 99
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Red face Drive shaft length (what's too short?)

I have a question about the drive shaft length. Let me give you some detail:

1. Running a 429 (Stroked to 460)
2. I have a BW T10B-1 trany with a T10B-7 (long) tailshaft (I believe this came from a 61 - 63 Ford or Mercury).
3. I'm running a ford 9" (WAR pumpkin); ordered 3.25:1 gears.

I don't have the engine installed yet, but I know approximately where it will mount. When I look at the dimensions for the tranny length and Rear end placement it looks like I will ony have 9 - 10 inches between the end of the transmission (shaft) and the (U-joint) center line of the rear yoke not counting the yoke for the tranny which I expect to be at least 3 - 4 inches from the tailshaft to the center line of the forward U-joing.

That gives about 5 - 6 inches for the driveshaft (Tube only) length. That sounds too short to me. I'd like to run the T-10 (it does have the longer tailshaft) if possible but is 5 - 6 inches long enough for the drive shaft tube? If that is too short then I guess I'll have to find a different tranny.

ANy info will be helpful.
Thanks,
PJ
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