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#1 |
Registered User
![]() Join Date: Aug 2016
Location: Jacksonville, FL
Posts: 46
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Tire options for 15x6 wheels
Hi everyone --
My truck currently has black 15x6 steelies wearing 235/75 R15 (Hankook Optimo H724). This setup is all from the previous owner. I like the look of the wheel/tire combo as far as the proportions and the black wheels with the white stripe, but my issue is traction -- I don't know much about the motor build in my truck, but it's no monster, still it spins these tires a little too easy for my taste. Maybe I'm just getting used to the truck still, but I think they aren't the best choice for it. Any thoughts on better tires for these rims? Do I just need to go 15x8 or something? I will probably keep whats on here for a while because the tires are basically new, but I just want to see what is out there when I decide to change them.
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1969 C10 SWB Stepside, 350, TH350, FiTech Go Street Fuel Injection |
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#2 |
Registered User
![]() Join Date: Oct 2015
Location: Dallas Texas
Posts: 1,380
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Re: Tire options for 15x6 wheels
For what its worth, I just put some new tires on my '69 with 15x6 rims and Discount Tire would not put anything bigger than 225/75R15 on mine. So if you are wanting to go "bigger" might need different wheels.
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#3 |
Senior Member
![]() Join Date: Apr 2016
Location: Cypress, TX
Posts: 3,698
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Re: Tire options for 15x6 wheels
I have 225/75R15 from Discount Tire on 15x5.5 rims. I consulted with quite a few people and websites and Discount Tire people. The general agreement is technically 225/75R15 is too wide and out of specifications for these skinny rims, but the 215-wide tires have too small of a max load rating although their width is correct. So they couldn't sell me 215-wide tires because of the load rating, and the 235-wide is the correct load rating for the 1/2 ton pickup, but they shouldn't sell me those because of the rim width, so 225-wide is a compromise.
I have heard but don't fully understand there is such a thing as ply-rated truck tires that are sold with a different numbering system that looks something like 28X8.50R15 and they supposedly have a greater number of plies. The plies may not be "real" counts, just a number that represents the load because modern tires are made differently. Fewer plies that are stronger, perhaps? I don't think Discount Tire sells those. I wish somebody in-the-know could explain it to me better. I've read a whole lot on the Internet and I don't have the correct story about really what are the "correct" tires for these trucks with stock rims. |
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#4 |
Registered User
Join Date: Nov 2008
Location: Gwinnett GA
Posts: 1,803
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Re: Tire options for 15x6 wheels
I just switched from 235s on the back of my 71 to 265s. I can actually launch this thing now. With the 235s it would spin like a mother. To be fair you are also running a cheap tire that comes factory on a lot of compact cars so they aren't built to give great traction. Perhaps fltry to find a sticky tire in that size? Otherwise, bigger wheels and tires or just keep smoking those pizza cutters. There isn't much weight over the rear axle in these.
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1982 K10 SWB 1987 V20 - Sold - Doh! |
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#5 |
Registered User
Join Date: Sep 2016
Location: Vancouver BC
Posts: 784
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Re: Tire options for 15x6 wheels
My all original 69 has 15 by 5.5 steel rims, and 700x15 radials. They look pretty skinny, but they are 6 ply rated, as far as I can remember, so they can carry the weight. I like the originality, but will be looking for rims that are quite a bit wider, maybe 8 inches, that will allow me to run modern tires, for better traction and looks.
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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 |
70+ ( Old Skool Club )
![]() Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,117
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Re: Tire options for 15x6 wheels
When I bought my truck in 2014 the original 15 x 6 inch rims were on it with P235/75R15 Goodyear Wrangler RSA tires and dog dish hubcaps. I felt the 6 inch rims were a tad narrow with the 235's. I found a set of 15 x 7 80's rally wheels ( and was real lucky as they had been powdercoated white but never installed ) and instaled the 235's on them and added a set of PO1 full wheel covers and that extra inch width on the rim makes the tires pop like they should. Sorry no pics of the truck with the 15 x 7's on it.
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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#7 |
Registered User
Join Date: Jan 2003
Location: Safford,AZ
Posts: 3,612
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Re: Tire options for 15x6 wheels
heres 15x10 6 lug aluminum wheels
https://jacksonville.craigslist.org/wto/5721960506.html 15x8(?) here https://jacksonville.craigslist.org/wto/5767360120.html |
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#8 |
70+ ( Old Skool Club )
![]() Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,117
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Re: Tire options for 15x6 wheels
If you want to change the rims a set of 15 x 8 80's rally wheels with the caps and trim rings on 255/70R15 tires really look good on the trucks as they are high and wide and fill in the wheel well real nice. That is whats on the pictured truck.
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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#9 |
Registered User
![]() Join Date: Aug 2016
Location: Jacksonville, FL
Posts: 46
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Re: Tire options for 15x6 wheels
Thanks guys -- this gives me some ideas -- I like the 15x8 rally wheels on that last one.
Warrens69GMC -- Thanks for the CL link -- I realized today my truck has been converted to 5-lug... well what I really realized is it was originally 6-lug, I knew it was 5-lug all along. ![]()
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1969 C10 SWB Stepside, 350, TH350, FiTech Go Street Fuel Injection |
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