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06-16-2010, 02:59 PM | #1 |
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6 spline or 10 spline rear end
Is the 37 Ford rear end a 6 spline or a 10 spline. I am looking at buying an open drive shaft adapter from Speedway.
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06-16-2010, 03:08 PM | #2 |
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Re: 6 spline or 10 spline rear end
This won't help much, but it could be either. Some '37's were built with 6 spline pinions, but most were built with 10 spline. Also, there is no way of telling if someone changed it from the original unless you know for a fact that it's never been changed.
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06-16-2010, 03:08 PM | #3 |
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Re: 6 spline or 10 spline rear end
my understanding is it could be either,and to be safe you need to look. Others can be more precise with when the change occurred.
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06-16-2010, 11:19 PM | #4 |
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Re: 6 spline or 10 spline rear end
Seems like the 4.11's are 10-spline with a tapered/tubular driveshaft, and the 3.78's are 6-spline with a straight/solid driveshaft with center bearing and a
grease fitting on the torque tube? This subject was discussed at great length on the "old" Ford Barn, which is "out there somewhere"? As per later posts below, the above post is incorrect/incomplete in that a 1937 with 3.78 could be either 6-spline or 10-spline, although it is apparently true that a 6-spline will have the solid driveshaft with center bearing and therefore would also have a lube fitting for the center bearing on the torque tube. IF no lube fitting, one could "assume" that it is a 10-spline with the hollow driveshaft... except that assuming is probably not a good idea...
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Early V8 Garage Pasadena Roadster Club Last edited by Richard (EV8G); 06-17-2010 at 11:08 AM. Reason: To correct incorrect information... |
06-17-2010, 06:12 AM | #5 | |
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Re: 6 spline or 10 spline rear end
Quote:
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06-17-2010, 06:17 AM | #6 |
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Re: 6 spline or 10 spline rear end
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06-17-2010, 08:21 AM | #7 |
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Re: 6 spline or 10 spline rear end
Also, get you open drive kit from these guys, great guys, excellent product, made in the USA.
www.hotrodworks.com Speedway used to buy these kits from hotrodworks, then they cut them out of the loop and started knocking them off in china. |
06-17-2010, 08:32 AM | #8 |
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Re: 6 spline or 10 spline rear end
The only way to know is to pull torque tube and count splines. No easy way ..Sorry.
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06-17-2010, 11:02 AM | #9 | |
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Re: 6 spline or 10 spline rear end
Quote:
except that nothing is 100% certain, as you say. #48-4209-E with 3.54 ratio is also listed with 6-spline, again for 38-48, same story. IF a 1937 (confirmed to be original equipment-but who knows?) rear has a lube fitting on the torque tube, it would/should/probably be a 6-spline with the solid driveshaft and center bearing, and most likely a 3.78 ratio. As the man said, probably need to take it apart to be sure...
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