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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

Which rack spline do I have with the mustang 2

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Old May 9, 2022 | 04:11 PM
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Which rack spline do I have with the mustang 2

I bought this mustang 2 for my 56 years ago. Now I am connecting the steering. I am trying to figure out how many splines are on this input shaft on the rack. Normally, I would just count them, but this one has half of the splines off, like a flat spot on one side???




 
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Old May 9, 2022 | 07:26 PM
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Maybe : ? From the Heidts website.

Mustang II Manual Rack & Pinion 9/16 26 Spline Input Shaft

Mustang II Power Rack & Pinion 3/4 36 Spline Input Shaft

 
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Old May 9, 2022 | 07:42 PM
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I can measure the diameter of the shaft I guess. What kind of u -joint will fit that with that groove in the middle?
 
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Old May 9, 2022 | 08:48 PM
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Definitely 3/4
 
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Old May 10, 2022 | 02:51 PM
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That grove is for a factory style joint with a roll pin(typically). A Borgenson joint, or similar will not use the slot and will just cover it.
 
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