255x70x15 on a 10 in.rim - The 1947 - Present Chevrolet & GMC Truck Message Board Network

blazer2007 · 01-10-2018, 11:44 AM

I found the right tire height I like on my Blazer which has a notch and bags. The tires are on a 8 inch rally rim but I don,t like how far the tire sits inside the truck and I want to bring it out to match the front and I don,t think I want to use a 3/4 or 1 inch spacer so I wanted to use the Wheel Vin. 10 inch rallys.I think the Blazers need a taller tire as the blazers are such a big looking box.

blindbug · 01-10-2018, 01:57 PM

I'm not sure of the question, but I think it's recommendations on Wheel Vintique's 10 inch rallys? Squarebody Syndicate has his formula up on his site:

http://squarebodysyndicate.com/sbs-formula.html

He uses Wheel Vintique's 15x10" with a 5" backspace in the rear. It looks like the outside face of the front and rear tire align with each other. If you are asking something different, I apologize.

wilkin250r · 01-10-2018, 04:42 PM

255/70R15 is just a hair over 10 inches wide. (255 is theoretically 255mm wide, which is 10.04 inches. Sidewall flexing outwards might bring that to about 10.5 inches)

In my experience and research, fitting a 10-inch wide tire on a 10-inch wide wheel only works with low profile tires, where the second number is 50 or below, really short sidewalls. When you start getting into the taller sidewall tires (where the second number is 65 or more), you really need the wheel to be a couple inches more narrow than the tire itself.

It's looking like most manufacturers of 255/70r15 tires recommend a 6.5 to 8.5 width for the wheel.

SCOTI · 01-10-2018, 06:35 PM

I wouldn't do a 255/70 on a 10.

A 275/60 looks square & I've used that size many times. If you want a taller rear tire than that, a 285/70 is available from Coker (BFG/Silvertown series).

blazer2007 · 01-10-2018, 09:45 PM

I did have a 285x70 on the back but it just looked too tall and didn,t look right,old pic but get the idea. Maybe a Hoosier or M.T. tire at 29 in. might be worth looking at, Just the 255x70 are brand new. So hard to get the right look with tires and rims , the blazers are so boxy

blazer2007 · 01-10-2018, 09:47 PM

fronts are are 235x70 if helps

SCOTI · 01-10-2018, 10:48 PM

285/70-15 comes in around 30.7" so the Mickeys @ 29" would be a good compromise.

bbbc10 · 01-11-2018, 08:49 PM

I know its not a blazer but I had 275/60/15 on my wheel vin 15x10 rallys

lowrollin70gmc · 01-12-2018, 01:50 PM

I agree that that is a wide wheel for the tire size. If you’re buying new wheels, why not see if wheel vintiques will build a 15x8 with custom backspacing.

**MikeB** · 01-12-2018, 02:55 PM

FYI, this is a 255-70x15 on an 8" wheel. I personally think a 10" wheel would look too wide with a 255 tire.

blazer2007 · 01-12-2018, 07:58 PM

The 255 on a 8 inch rim does fit perfect. I,ll see how long wheel vin. takes and charges for a custom rim. In the winter a guy just starts getting pickey and spend more money lol

SCOTI · 01-13-2018, 09:30 AM

Quote:

Originally Posted by blazer2007

The 255 on a 8 inch rim does fit perfect. I,ll see how long wheel vin. takes and charges for a custom rim. In the winter a guy just starts getting pickey and spend more money lol

$25 per wheel additional charge for changing backspace w/4-6 week lead time & you have to pay shipping vs a distributer (Summit/Jegs).

thinair · 01-13-2018, 06:18 AM

I also have the 8s and 10s and was thinking 255-70s rear and 235-70s front. I wanted the taller tire in the rear because I like the look filling the wheel well better than the top of the well just sitting on the tire like the look of the 275-60s. Truck has a 4 1/2 - 6 drop.

01-10-2018, 11:44 AM	#1
blazer2007 Registered User Join Date: Jan 2007 Location: vernon b.c. Posts: 3,022	255x70x15 on a 10 in.rim I found the right tire height I like on my Blazer which has a notch and bags. The tires are on a 8 inch rally rim but I don,t like how far the tire sits inside the truck and I want to bring it out to match the front and I don,t think I want to use a 3/4 or 1 inch spacer so I wanted to use the Wheel Vin. 10 inch rallys.I think the Blazers need a taller tire as the blazers are such a big looking box.

01-10-2018, 01:57 PM	#2
blindbug Registered User Join Date: Oct 2017 Location: Louisville, KY Posts: 186	Re: 255x70x15 on a 10 in.rim I'm not sure of the question, but I think it's recommendations on Wheel Vintique's 10 inch rallys? Squarebody Syndicate has his formula up on his site: http://squarebodysyndicate.com/sbs-formula.html He uses Wheel Vintique's 15x10" with a 5" backspace in the rear. It looks like the outside face of the front and rear tire align with each other. If you are asking something different, I apologize.

01-10-2018, 04:42 PM	#3
wilkin250r Registered User Join Date: Sep 2010 Location: Lake Tahoe, Nevada Posts: 755	Re: 255x70x15 on a 10 in.rim 255/70R15 is just a hair over 10 inches wide. (255 is theoretically 255mm wide, which is 10.04 inches. Sidewall flexing outwards might bring that to about 10.5 inches) In my experience and research, fitting a 10-inch wide tire on a 10-inch wide wheel only works with low profile tires, where the second number is 50 or below, really short sidewalls. When you start getting into the taller sidewall tires (where the second number is 65 or more), you really need the wheel to be a couple inches more narrow than the tire itself. It's looking like most manufacturers of 255/70r15 tires recommend a 6.5 to 8.5 width for the wheel. __________________ I know a little about cars, but if you have a question about electricity or sport quads, I'm your man!!!

01-10-2018, 06:35 PM	#4
SCOTI Registered User Join Date: Apr 2001 Location: DALLAS,TX Posts: 21,907	Re: 255x70x15 on a 10 in.rim I wouldn't do a 255/70 on a 10. A 275/60 looks square & I've used that size many times. If you want a taller rear tire than that, a 285/70 is available from Coker (BFG/Silvertown series). __________________ 67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... *Cubic inches is like Indiana Jones with a cheap pistol.*

01-10-2018, 09:45 PM	#5
blazer2007 Registered User Join Date: Jan 2007 Location: vernon b.c. Posts: 3,022	Re: 255x70x15 on a 10 in.rim I did have a 285x70 on the back but it just looked too tall and didn,t look right,old pic but get the idea. Maybe a Hoosier or M.T. tire at 29 in. might be worth looking at, Just the 255x70 are brand new. So hard to get the right look with tires and rims , the blazers are so boxy Attached Images

01-10-2018, 09:47 PM	#6
blazer2007 Registered User Join Date: Jan 2007 Location: vernon b.c. Posts: 3,022	Re: 255x70x15 on a 10 in.rim fronts are are 235x70 if helps

01-10-2018, 10:48 PM	#7
SCOTI Registered User Join Date: Apr 2001 Location: DALLAS,TX Posts: 21,907	Re: 255x70x15 on a 10 in.rim 285/70-15 comes in around 30.7" so the Mickeys @ 29" would be a good compromise. __________________ 67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... *Cubic inches is like Indiana Jones with a cheap pistol.*

01-11-2018, 08:49 PM	#8
bbbc10 Diggin The SquareLife Join Date: Dec 2010 Location: garland,tx Posts: 1,933	Re: 255x70x15 on a 10 in.rim I know its not a blazer but I had 275/60/15 on my wheel vin 15x10 rallys Attached Images

01-12-2018, 01:50 PM	#9
lowrollin70gmc Too many projects Join Date: Mar 2004 Location: Fargo, ND land of the flat hills Posts: 1,147	Re: 255x70x15 on a 10 in.rim I agree that that is a wide wheel for the tire size. If you’re buying new wheels, why not see if wheel vintiques will build a 15x8 with custom backspacing. __________________ Andrew 84 GMC C1500 SWB 6.2 Diesel/700R4/3.42 "Grandpa's odd duck" 70 GMC C1500 LWB My first truck: shaved, bagged, and more: the lowrollin70gmc 68 K20 Suburban 12V Cummins/NV5600/NP205/D60/11.5AAM 3.73s "Dakota Cadillac" 63 Chevy II Nova Coupe 250 I6/T56/4.56s "Economy car" 53 Willys Wagon 350/NV4500/BW4401/HP D44/9inch “Winter Wagon” 30 Model A 16 Focus ST

01-12-2018, 02:55 PM	#10
MikeB Senior Member Join Date: Jul 2000 Location: North Texas Posts: 3,408	Re: 255x70x15 on a 10 in.rim FYI, this is a 255-70x15 on an 8" wheel. I personally think a 10" wheel would look too wide with a 255 tire. __________________ Mike 1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!

01-12-2018, 07:58 PM	#11
blazer2007 Registered User Join Date: Jan 2007 Location: vernon b.c. Posts: 3,022	Re: 255x70x15 on a 10 in.rim The 255 on a 8 inch rim does fit perfect. I,ll see how long wheel vin. takes and charges for a custom rim. In the winter a guy just starts getting pickey and spend more money lol

01-13-2018, 06:18 AM	#13
thinair thinair Join Date: Jun 2004 Location: omaha,ne Posts: 996	Re: 255x70x15 on a 10 in.rim I also have the 8s and 10s and was thinking 255-70s rear and 235-70s front. I wanted the taller tire in the rear because I like the look filling the wheel well better than the top of the well just sitting on the tire like the look of the 275-60s. Truck has a 4 1/2 - 6 drop.

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