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Old 07-06-2017, 06:24 PM   #1
Ironhorse
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Location: Wellington, Ks
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'71 K10 GM Hubs?

Trying to determine if my '71 K10 1/2 ton with the original blue plastic twist lock hubs needs or should have a flat washer or lock washer under the 6 chrome trim ring socket head screws. Right now it has a miss match batch of rusty socket head 10-24 NF shouldered screws on one side and common slot or straight headed 10-24 NF shouldered screws on the other side. Pretty sure the socket head screws are correct but not sure about the flat washers or lock washers beneath the screw head? Currently none at all. Looked in my assembly manual and the service manual but can't seem to find the correct parts break down pic. Anyone know what is correct and original from the General? Thanks in advance,
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1971 Chevy 1/2T 4x4 LWB 350 V-8
Was sm465-now 350TH/np205
Tilt, Tach, Towhooks
Original Truck AM/FM
Wellington, Ks
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Old 07-06-2017, 11:07 PM   #2
B. W.
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Re: '71 K10 GM Hubs?

socket head is correct. I couldn't find a breakdown looking at the factory manual but it did show a cut-away of the hub with the parts numbered. It shows there are "seals" under the heads of the screws. It calls them "retaining plate bolts & seals"
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Old 07-07-2017, 03:45 PM   #3
Ironhorse
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Re: '71 K10 GM Hubs?

Thanks for the reply. "One" of the socket head screws did have a small very thin cupped washer under the head. Maybe that is the "seal" you mentioned? Not sure where I can find such like that locally. May try the Fastenal store in Wichita. Sure would like to find an exploded view of the hubs with parts # break down.
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1971 Chevy 1/2T 4x4 LWB 350 V-8
Was sm465-now 350TH/np205
Tilt, Tach, Towhooks
Original Truck AM/FM
Wellington, Ks
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Old Yesterday, 09:44 PM   #4
BJC679
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Re: '71 K10 GM Hubs?

If you still need some these washers,I can sent you some.PM address and I will send them. Bobby
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