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#1 |
Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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How wide are my rims?
Is there a way to tell how wide the original steel rims on my '70 are? I'd like to put wider tires on, but don't know how wide these rims are.
![]() Are they stamped somewhere on the outside? Thanks!
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#2 |
Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,081
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Re: How wide are my rims?
It sounds complicated, but its not hard. Take some 1x2 or whatever and strap or tape horizontally at the center line of the tire on both sides inside and out.
Measure the distance between. Next measure from the 1st parallel flat surface to the board on both sides. Add those. Subtract that number from the earlier one and round to the nearest inch. My guess is 6" |
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#3 |
Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: How wide are my rims?
Looks like 6" from here.
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#4 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,647
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Re: How wide are my rims?
Should be stamped on the inboard section of the rim. Not inside the tire though, the tire stays mounted. Remove the lug nuts, flop the wheel over, you should see it. Sometimes I am horrible at trying to get my point across....
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#5 |
Registered User
Join Date: Sep 2016
Location: Vancouver BC
Posts: 784
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Re: How wide are my rims?
My truck lists the rim size on the SPID, but that may be only in the case of an optional rim size.
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Rick -69 GMC 910 Long Box, 350 -98 Chev Silverado 1500, 350 Vortec 4L60e -08 Mustang GT Convertible |
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#6 | |
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Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Re: How wide are my rims?
Quote:
Anyway, I'm thinking of going to 265's or 275's. Who sells 15" 6-bolt steel rim (7-inch?) that will fit a tire this wide? Thanks! ![]()
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#7 |
Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,081
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Re: How wide are my rims?
You might think about any 73-87 4x4 Blazer or half ton truck 4x4 rally style wheels. I think all were 8".
You can run w/ or w/ trim rings and caps as preferred. |
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#8 |
Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Re: How wide are my rims?
Thanks Franken. I forgot to mention, I'd like to keep the stock hubcaps, so I'm looking for a non-rally rim with the hubcap "nibs".
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#9 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: How wide are my rims?
Not sure about which rims to buy. But for a 265 series tire I recommend 8". Its perfect - I'm running that out back right now. A 7" rim makes a 265 balloon out in my opinion.
Beautiful truck
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#10 |
Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,339
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Re: How wide are my rims?
Most all 67-70 6 lug wheels I've seen are 5-1/2 inches...
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#11 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,647
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Re: How wide are my rims?
FWIW, our Tacoma came with 265/70s on 16x7" wheels and it seems like a good fit. Lots of folks upgrade to 265/75, same width but an inch taller. However many 265/75 are LR-E only which is fine for a heavier truck, but overkill for a typical mid-size. At any rate an 8" wheel should also work well for a 265-series tire.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#12 |
Registered User
Join Date: Aug 2012
Location: St. Croix River Valley, WI
Posts: 795
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Re: How wide are my rims?
Thanks for all of the thoughts!
So, if I'm looking for an 8" wide 6-lug steel rim that will hold a factory hubcap, does anybody make those? The closest I'm seeing online is the Vintique "Smoothies" on Summit. (I don't think those will hold a hubcap though) No offense, but I'm not a fan of the Rally rims. Just looking for an 8" steel rim that will hold a hubcap. ![]()
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#13 |
Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: How wide are my rims?
These are what you want. Check the parts board, there are usually some for sale.
http://67-72chevytrucks.com/vboard/s...d.php?t=688899
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#14 |
Registered User
Join Date: Jan 2014
Location: VERSAILLES, KY
Posts: 64
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Re: How wide are my rims?
If you have your SPID on the glovebox door it's a cinch on something original. Go to the GM Heritage Center online. You can download the 1970 salesman's Truck Fact Book which is chock full of all sorts of technical and option info. Just match the option code on the SPID to the wheel/tire chart in the book and you'll see the rim width listed as part of the data.
Voila! Here's the link: https://www.gmheritagecenter.com/doc...olet-Truck.pdf
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Dennis Nichols 1969 GMC C2500 305E V-6 The Mule 1986 Toyota 4Runner 1959 MG MGA Coupe |
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#15 |
Registered User
Join Date: Sep 2016
Location: lompoc ca
Posts: 228
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Re: How wide are my rims?
when i bought my truck the tires were oversize so tall they hurt acceleration didnt corner well either I had tire shop measure rims I let the owner select my tires and im very happy
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#16 |
Registered User
Join Date: Sep 2016
Location: lompoc ca
Posts: 228
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Re: How wide are my rims?
there was a company that could widen rims I was considering getting getting a wider tire on my motorcycle that was 25 yrs ago. wider stock looking rims make for a great sleeper!
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#17 |
Registered User
Join Date: Dec 2015
Location: Canada
Posts: 13
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Re: How wide are my rims?
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