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04-09-2023, 10:46 AM
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#1 |
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Senior Member
 
Join Date: Feb 2010
Location: Falls City, Nebraska "100 Miles From Nowhere"
Posts: 2,219
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Wheel Stud Knurl Diameter? 72 C/10
I need to replace the studs in my 72 C/10 rear axles with longer ones. Does anybody know what the factory knurl diameter is on the 1/2 x 20 studs? Thanks...
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Michael of the clan Hill, "Two Seventy Two's" 71 1-ton Dually 350 4-Speed 71 C/50 Grain Truck, 350 Split-Axle 4-Speed 02 3/4 ton Express 14 Indian Chief Vintage 1952 Ford 8N, "Only Ford Allowed On The Property"  "Be American, Buy American" 
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04-09-2023, 11:47 AM
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#2 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,407
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Re: Wheel Stud Knurl Diameter? 72 C/10
Rear stud (610- 138) is a .535 knurl with a 1-17/32 length. Nothing jumping out at me for a longer length.
front number (610-159) comes in at a .620 knurl with a length of 1-5/8''. With that one I don't see anything longer that will work without a significant increase in knurl diameter. but those are the factory part numbers My reference is an old Dorman book (about 25 years old) when they used to actually put specs in print and was accurate |
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04-09-2023, 01:01 PM
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#3 |
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Senior Member
Join Date: Feb 2010
Location: Falls City, Nebraska "100 Miles From Nowhere"
Posts: 2,219
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Re: Wheel Stud Knurl Diameter? 72 C/10
Thank you KW! I'm looking at Moroso 1/2 x 20 x 3" studs at Speedway, they come in a variety of knurl diameters, .594" .615" & .685" ... I'll pull an axle and press one out to verify... I just bought a set of Weld Wheels "Draglite's" that require 2-1/2" studs to meet NHRA rules. Thanks again!
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Michael of the clan Hill, "Two Seventy Two's" 71 1-ton Dually 350 4-Speed 71 C/50 Grain Truck, 350 Split-Axle 4-Speed 02 3/4 ton Express 14 Indian Chief Vintage 1952 Ford 8N, "Only Ford Allowed On The Property" "Be American, Buy American"
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04-09-2023, 04:34 PM
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#4 |
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Registered User
Join Date: Apr 2022
Location: San Diego, CA
Posts: 28
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Re: Wheel Stud Knurl Diameter? 72 C/10
Curious if you come up with anything. I’m looking for 3” .535 knurl for my rears as well
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04-09-2023, 05:52 PM
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#5 |
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Registered User
Join Date: Apr 2022
Location: Moorpark, CA
Posts: 718
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Re: Wheel Stud Knurl Diameter? 72 C/10
looks like long aftermarket ARP, etc studs don't come in a .535 knurl....seems the long stuff is for aftermarket axles...or drill out current axles for larger knurl sizes available in longer lengths
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04-09-2023, 09:53 PM
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#6 | |
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Senior Member
Join Date: Feb 2010
Location: Falls City, Nebraska "100 Miles From Nowhere"
Posts: 2,219
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Re: Wheel Stud Knurl Diameter? 72 C/10
Quote:
__________________
Michael of the clan Hill, "Two Seventy Two's" 71 1-ton Dually 350 4-Speed 71 C/50 Grain Truck, 350 Split-Axle 4-Speed 02 3/4 ton Express 14 Indian Chief Vintage 1952 Ford 8N, "Only Ford Allowed On The Property" "Be American, Buy American"
Last edited by Ironangel; 04-10-2023 at 10:12 AM. |
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