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#1 |
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1962-1963 GMC K1500 hubcap
Looking to see if anyone has factory photos of a 3/4 ton K1500 GMC or original hubcaps. I recently found this NOS GMC hubcap. The center hole is only 2.115 and would need to be enlarged to work with lockout hubs . This is the only 4x4 hubcap GMC lists in the parts books for 3/4 ton 4x4 . Anyone have an original K1500 62-63 ? Even old fire truck photos?
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#2 |
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Re: 1962-1963 GMC K1500 hubcap
Super rare cap Jon! I've never seen one. But makes you realize how rare '62-'63 Custom 3/4 ton 4x4 GMC's were back when new and how super rare one is today in excellent condition. This is the only photo I could come up with from back in the day. It's small and grainy, not sure what is going on. I was under the impression the standard uncut hubcap would fit over the front 4x4 hub. IMO, the hole is much too small for the full axle, must be for the tip only. '71 photo for 4x4 hub reference. Bottom photo brand new '62 1/2 ton 4x4. Hub and hole appears much larger than the hole in your 3/4 ton cap.
Last edited by factorystock; 04-16-2023 at 10:29 AM. |
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#3 | |
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Re: 1962-1963 GMC K1500 hubcap
Quote:
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IS IT an EATON or Chevrolet rear axle https://67-72chevytrucks.com/vboard/...d.php?t=843778 The hubcap thread http://67-72chevytrucks.com/vboard/s...d.php?t=702839 WANTED : 1963-1966 6 Cylinder Fan Shroud WANTED :1964-1966 PANEL TRUCK |
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#4 |
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Re: 1962-1963 GMC K1500 hubcap
Just a hunch. There were 2 different 17.5 and 2 different 19.5 wheels in this era. The 3/4 ton 2WD pickups used the newer more positive offset style introduced in '60 due to the new independent front suspension. The step vans with the straight front axle continued to use the old carryover '56-'59 flatter style wheels. Question is did the 3/4 ton 4x4s ( straight front axle also) use the older wheels instead of the 2WD wheels? Can't find any photos of 3/4 4x4 with solid wheels, the wheels in my previous post were 17" 3 piece. Of course, there is the physical test, try to install a normal hubcap on one of these older flatter style 17.5 or 19.5 wheels and see if it clears.
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#5 |
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Re: 1962-1963 GMC K1500 hubcap
Beautiful Cap/S and rarity information!
Thanks for sharing this with us. ![]()
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MusicMan70 1961 GMC Suburban |
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#6 |
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Re: 1962-1963 GMC K1500 hubcap
Agree ! Learning new stuff on these trucks all the time. GMC stuff is very hard to figure out .
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#7 |
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Re: 1962-1963 GMC K1500 hubcap
Everything Ive seen 1960 on up used the same as 2WD 17.5s more positive offset wheels .
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#8 |
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Re: 1962-1963 GMC K1500 hubcap
Photo taken when brand new. Again, a 3/4 ton 4x4 with the wheel of choice for severe off road work, the 17" 3 piece. Standard uncut hubcap clears this rim and the newer 17.5's and 19.5's, but at a loss for finding any original photos of a '62-'63 3/4 ton 4x4 with solid wheels. Bottom photo of a 3/4 ton 4x4 with 15" 3 piece wheels.
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#9 | |
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Re: 1962-1963 GMC K1500 hubcap
Quote:
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IS IT an EATON or Chevrolet rear axle https://67-72chevytrucks.com/vboard/...d.php?t=843778 The hubcap thread http://67-72chevytrucks.com/vboard/s...d.php?t=702839 WANTED : 1963-1966 6 Cylinder Fan Shroud WANTED :1964-1966 PANEL TRUCK Last edited by 60-66; 04-19-2023 at 09:55 AM. |
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#10 |
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Re: 1962-1963 GMC K1500 hubcap
Hopefully you can read this picture from the parts book. Seems this part numbered cap I have, with the hole , 2415721 is 1962 "J" series only and 17.5 and 19.5 wheel only . Looks like I need to look deeper into the wheels . 1963 "G" series GMC did not use this 2415721 hubcap , according to note 31 in this picture, instead they only used the uncut cap , same as rear 2415719 in chrome. For 1962 theres 4 different hubcaps for 3/4 ton 4x4, for 63 just two painted or chrome.
Note that it also states , for "F" series none used on 4x4 .
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#11 |
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Re: 1962-1963 GMC K1500 hubcap
By the parts book , that red and white truck is a 1963.
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#12 |
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Re: 1962-1963 GMC K1500 hubcap
The hubcap you have is for the Free Wheeling Hub on axle FH-035. The knob seal 7014546 is 1 5/16 dia. So, it’s a small knob.
Last edited by gmc jr van; 04-19-2023 at 06:57 PM. |
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#13 |
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Re: 1962-1963 GMC K1500 hubcap
Just curious if you have ever had or tried this hubcap with the Spicer hub in place ? I don't have a 3/4 ton truck here at the moment with that hub. It will not work with a Warn hub . Thats been proven . I'm thinking that spacer needed to use the Spicer hub is going to push it further out than the hubcap can handle. I agree, the Spicer knob fits through the cap when just holding it up to the cap, but will it when everything is bolted together ? That's why we're looking for factory photos of this cap in use. Picture below
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#14 |
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Re: 1962-1963 GMC K1500 hubcap
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#15 |
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Re: 1962-1963 GMC K1500 hubcap
Now to find a photo of it used that way .
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IS IT an EATON or Chevrolet rear axle https://67-72chevytrucks.com/vboard/...d.php?t=843778 The hubcap thread http://67-72chevytrucks.com/vboard/s...d.php?t=702839 WANTED : 1963-1966 6 Cylinder Fan Shroud WANTED :1964-1966 PANEL TRUCK |
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#16 |
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Re: 1962-1963 GMC K1500 hubcap
Sales brochures have no mention of any optional hubs, however the GMC silver book shows the Warn hubs as being available in '64. No mention of Spicer type in book. Found a photo of the Warn type, not sure if it's a '64 or '65 pickup. Again, it would have been more economically feasible to have just one large cut out hubcap for all applications, which is why I surprised the small hole cap even existed.
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#17 |
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Re: 1962-1963 GMC K1500 hubcap
Here’s this cap with the spicer hub behind it
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#18 |
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Re: 1962-1963 GMC K1500 hubcap
In the Chevrolet data book, hubs are an RPO . For GMC they were a “Special Installation “ done after the trucks were assembled but at the factory. I would guess more were done at the Dealership.GMC Data book in these pictures shows both . Same with the parts books .
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#19 |
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Re: 1962-1963 GMC K1500 hubcap
Still no photo of one of these, but begs the question, did Chevy offer one of these small hole 4x4 hubcaps as well? Probably would have come painted only and would have been for '61 only, because Chevy stopped installing hubcaps on 4x4's on '62's.
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#20 | |
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Re: 1962-1963 GMC K1500 hubcap
Quote:
As for the small hole , I have yet to find an NOS Chevy 3/4 ton 4x4 front hubcap.
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#21 |
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Re: 1962-1963 GMC K1500 hubcap
The GMC only chrome 4x4 hubcaps must be part of the "upscale" image GM wanted to preserve for their higher end pickups.
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#22 |
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Re: 1962-1963 GMC K1500 hubcap
Found a photo of a '67 (brand new), and appears to have a Spicer type lock out hub.'67 3/4 ton front axle hubs should have the same set up as a '62-'63. Same 16.5" wheel in previous '64-'65 4x4 Warn hub photo. This particular 16.5" clip type wheel (shown) is a standard production GM 17.5" center re mounted in a wider aftermarket 16.5 outer wheel. As you know, these wheels were special order till they became a factory option around '67. A good test fit for a small hole '62-'63 3/4 4x4 cap, if of course, these unaltered original 3/4t 4x4's with original Spicer lock out hubs and original wheels still exist.
Last edited by factorystock; 04-29-2023 at 08:28 PM. |
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#23 |
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Re: 1962-1963 GMC K1500 hubcap
Today I was able to find the parts necessary to mock up a 1960-1966 17.5 8 lug wheel with a 1960-1969 3/4 ton hub and spicer lockout. It definitely will not work with this hubcap. All bolted together and the hubcap is a full inch away from seating on the rim . So that answers that . It was not meant to be for a lockout but was punched to be made larger, later , for lockouts . I did check part numbers for the Housing, which is the spacer for the lockout and only one was used 60-69 .
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#24 |
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Re: 1962-1963 GMC K1500 hubcap
Impressive mock up Jon! Was thinking the '61-'63 3/4 ton cap ( approx 3/4" taller) vs. the lower '66 3/4 ton cap would be the ace in the hole. Sure looks like it would have cleared on your old gold '66, but photos can be deceiving. Maybe a note was left in the GMC hubcap box for buyer to drill out for a custom fit to mfg's lockout hub?
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#25 | |
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Re: 1962-1963 GMC K1500 hubcap
Quote:
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IS IT an EATON or Chevrolet rear axle https://67-72chevytrucks.com/vboard/...d.php?t=843778 The hubcap thread http://67-72chevytrucks.com/vboard/s...d.php?t=702839 WANTED : 1963-1966 6 Cylinder Fan Shroud WANTED :1964-1966 PANEL TRUCK |
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