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Old 08-15-2017, 12:02 PM   #1
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Swapping out old split wheels for ____ : factory wheel replacement options

Greetings,

I have another thread on opinions of the old split wheels. I want this thread geared toward options for replacing them. I want to replace mine, albeit not with new wheels. I want older factory one-piece 16" wheels that I can find used.

My rig is a '71 Winnebago

As many of you know, split wheels are "lug centric" with the conical lug nuts, meaning the lug nuts center the wheels. Sometime in the 1980's the big three started changing over to "hub centric" wheels with washer-type lug nuts that center the wheel over the hub. So far as I can tell, this type of wheel has bigger holes for the wheel studs. Attempting to use these wheels with washer-type lug nuts in place of older lug centric wheels can result in improper wheel alignment, which can shear off wheel studs on the road. So far I have not found any adapters that would allow the use of hub centric wheels to properly center in place of lug centric wheels. I have found (1) 16" one-piece lug centric wheel at a wrecking yard that I believe came off of a late 1970's Dodge dually or RV. The hub hole is big enough to fit over my '71 Winnebago's Dana 70 rear axle hub. It shoukd be noted that Chevrolet wheels from the 70's & 80's (at least) had smaller hub holes and they will not fit over the Dodge axle hubs.

So I am curious as to what solutions any of you have used in replacing your old split wheels. I do not want to buy *new* wheels. At least, not for quite some time. A discussion like this can help all split wheel clad RV owners know what their options are.
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Old 08-15-2017, 12:10 PM   #2
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16" lug centric 2-piece split wheel that came on my Winnebago originally.
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Old 08-15-2017, 12:14 PM   #3
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16" one-piece lug centric wheel I found at a wrecking yard. It was sitting in the back of an '86 Chevrolet dually as a spare, but it is not a Chevrolet wheel. Presumably a Dodge wheel from the late 70's/early 80's.
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Old 08-15-2017, 12:19 PM   #4
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16" hub centric wheel off of the '86 Chevrolet dually. You can see the stud holes are all cut the same, without the staggered concave/convex design of the lug centric wheels.
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Old 08-17-2017, 01:49 AM   #5
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No one knows what factory-type wheels will swap in place of the old split wheels?
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Old 08-17-2017, 12:33 PM   #6
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I just got 16" 6.5 x 8 lug coined rims to replace the ones that came on my vintage rear axle. The only other measurement is the offset that one needs to match.

The ones for an early 90s Dodge 350 pickup should work.
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Old 08-17-2017, 02:00 PM   #7
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Quote:
Originally Posted by RedneckExpress View Post
I just got 16" 6.5 x 8 lug coined rims to replace the ones that came on my vintage rear axle. The only other measurement is the offset that one needs to match.

The ones for an early 90s Dodge 350 pickup should work.
I was told that before. That approximately 1982-1993 Dodge 350 dually wheels would be compatible.

But I found an '86 Dodge 350 dually at a wrecking yard that had coined wheels but they had the newer style washer-type lug nuts and hub centered wheels. A friend of mine has a '91 Dodge 350 dually that also has the newer setup.

So I am thinking late 70's/early 80's is what I need. Need to see more factory wheels to be sure.
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Old 08-17-2017, 04:53 PM   #8
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Quote:
Originally Posted by Zayne8 View Post
I was told that before. That approximately 1982-1993 Dodge 350 dually wheels would be compatible.

But I found an '86 Dodge 350 dually at a wrecking yard that had coined wheels but they had the newer style washer-type lug nuts and hub centered wheels. A friend of mine has a '91 Dodge 350 dually that also has the newer setup.

So I am thinking late 70's/early 80's is what I need. Need to see more factory wheels to be sure.
Are you referring to the big nuts that just go over the top of the coin vs the tapered acorn kind? That's what the old Dana rear I have out of a '75 Winne had on it.

Below is what I swapped to from the old 16.5" rims.

Here's the rims:


Here's the axle:

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Old 08-17-2017, 05:21 PM   #9
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My rear axle tapers in slightly on the hub, and each lug has a recessed hole for the coin to fit into that aligns it. The lug nuts go over the top of the coins and clamp it down. The coins do all the aligning.

When I measured the center hole, it was the same size between the old and new.

Old Rims:
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Old 08-22-2017, 02:56 PM   #10
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Thank you for your replies
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Old 08-22-2017, 03:08 PM   #11
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Ok, I investigated the '86 Dodge 350 dually at the yard a little closer. I was a little confused on what "coined" meant.

It turns out that the truck does in fact have the proper lug centric coined wheels. The lug nuts are a strange 1-1/8" washer-type lug nut. Once removed there is a recess in them that allows them to cup the concave/convex protrusions of the coined wheels. I took one of the wheels, which was a big PITA to remove with a 3/4" breaker bar (due to rust!) and am going back for three more soon.
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Old 08-22-2017, 03:12 PM   #12
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At a glance, the offset between the original wheel (right) and the '86 wheels (left) appear to be different.
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Old 08-22-2017, 10:50 PM   #13
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Quote:
Originally Posted by Zayne8 View Post
At a glance, the offset between the original wheel (right) and the '86 wheels (left) appear to be different.
What's the tire size on each? The only thing you really need to worry about on the offset is getting a similar sized tire on and having enough gap (I run LT235/85/16) so that the tires don't rub when loaded and it doesn't over lap the backing plate so much that it rubs.

The 1 1/8" Lug nuts are on a fairly large lug, I think it might be bigger than the lugs that are used with the acorn nuts. They're meant for heavier load bearing versions of the Spicer/Dana 70 rear end.

Those lugs nuts are the same kind my rear axle uses. Its a 75 rear end according to the BOM number off the axle and Dana Axle's database.

Flip the wheels over and put a ruler across the edge of the rim and measure down to the inside face. That will tell if the offset is actually terribly different. Mostly, your old ones are the classic conical style, and the 86's are the rounded shape version.
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Old 08-22-2017, 11:04 PM   #14
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I posted some incorrect info and can't seem to delete it so I've erased it . Sorry.
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