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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Lug nut taper

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Old Jan 16, 2024 | 11:49 AM
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Lug nut taper

What is the proper taper for the lug nut on a 1964 F100? 45 degree or 60 degree?
 
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Old Jan 16, 2024 | 12:26 PM
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My info says 60 degree included angle. All 1961-66 F100/250 trucks used the same lug nut with a part number of C0AZ-1012-A which superseded B-1012. C0AZ-1012-A was superseded by E8AZ-1012-A. Examples of each on eBay.

 
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Old Jan 16, 2024 | 03:39 PM
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Thanks TA455HO
 
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