how big of a tire can i use with 17" rims? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bigarmzz · 06-19-2005, 05:27 AM

i know alot have asked similar questions....but i did a search and still couldnt find a direct answer.....i've got a 3/4 drop with front spindles and rear shackle/hangers.....i want the "muscle" look with lots of tread (meat) in the rear...ya know i just want the tire to fill in as much of the fender wells as possible

i was going to run 285 70-15 X8" torq thrust II's....but the cheapest i can find the 15" ones on the web is $690

and that just seems high for just 15" rims to me

...so i'm thinkin about spending just a few bucks more and getting the 17" rims, but i'm not sure what the equivalent to the 285 is in a 17"?

**N2TRUX** · 06-19-2005, 10:04 AM

You can use these Tire Size Calculators to help you get a visual of what your trying to accomplish.

http://www.1010tires.com/tiresizecal...?action=submit

http://members.aol.com/agspeed/tiresize.htm

http://www.miata.net/garage/tirecalc.html

Earl Filter · 06-19-2005, 10:09 AM

A 285/60/17 is almost a dead ringer for the 285/70/15 that you listed, and you can get a Kumho ECSTA STX Sport Truck tire (or Yokohama AVS Sport Truck) in that size. The Kumho is $6 less, and is a lot more tire! When trying to come up with an other-than-stock tire size, start with a known size, and play around with other sizing here:

http://www.miata.net/garage/tirecalcold.html

Then, look at tires by size, and see if it's a real tire. If tire rack doesn't have them, it's a good chance it's not a real tire size.

www.tirerack.com

EDIT: Great minds think alike.

454HO · 06-19-2005, 10:13 AM

I'm going to have a similar setup to what you are looking at. I have a '77 long box that is getting a 3\4 drop with spindles and hanger/shackles. I will be using ImpalaSS wheels which are 17x8-1/2. I want to keep the tire diameter around 28". The biggest tires with that diameter are 275/50x17, and there are only two companies I know of that make that size... Falken and Nitto.

Now, your proposed 285/70x15 tire size would be around 30.7" in diameter. So you could use a 275/60x17 (30" dia) or a 285/60x17 (30.4" dia) on an 8" wide wheel. The next tire size up is a 305/60x17 (31.4" dia) but that would require a 9" wide wheel, and the only company I've seen that makes it is Nitto.

**N2TRUX** · 06-19-2005, 09:06 PM

Quote:

Originally Posted by Earl Filter

.....EDIT: Great minds think alike.

And at almost the same time too....

06-19-2005, 05:27 AM	#1
bigarmzz Registered User Join Date: Sep 2004 Location: Elkins, West Virginia Posts: 2,542	how big of a tire can i use with 17" rims? i know alot have asked similar questions....but i did a search and still couldnt find a direct answer.....i've got a 3/4 drop with front spindles and rear shackle/hangers.....i want the "muscle" look with lots of tread (meat) in the rear...ya know i just want the tire to fill in as much of the fender wells as possible i was going to run 285 70-15 X8" torq thrust II's....but the cheapest i can find the 15" ones on the web is $690 and that just seems high for just 15" rims to me ...so i'm thinkin about spending just a few bucks more and getting the 17" rims, but i'm not sure what the equivalent to the 285 is in a 17"? __________________ 1987 350 TBI lowered 5/7

06-19-2005, 10:04 AM	#2
N2TRUX Happy to be here Join Date: Mar 2000 Location: Cypress, TX Posts: 39,023	You can use these Tire Size Calculators to help you get a visual of what your trying to accomplish. http://www.1010tires.com/tiresizecal...?action=submit http://members.aol.com/agspeed/tiresize.htm http://www.miata.net/garage/tirecalc.html __________________ Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra"

06-19-2005, 10:09 AM	#3
Earl Filter Registered User Join Date: May 2005 Posts: 212	A 285/60/17 is almost a dead ringer for the 285/70/15 that you listed, and you can get a Kumho ECSTA STX Sport Truck tire (or Yokohama AVS Sport Truck) in that size. The Kumho is $6 less, and is a lot more tire! When trying to come up with an other-than-stock tire size, start with a known size, and play around with other sizing here: http://www.miata.net/garage/tirecalcold.html Then, look at tires by size, and see if it's a real tire. If tire rack doesn't have them, it's a good chance it's not a real tire size. www.tirerack.com EDIT: Great minds think alike. __________________ Real Name - Brandon Current Vehicles: 1977 C20 Silverado 454/TH400 3.73s 1989 Jaguar XJ6 in the middle of an LT1/4L60E swap Last edited by Earl Filter; 06-19-2005 at 10:09 AM.

06-19-2005, 10:13 AM	#4
454HO Registered User Join Date: Apr 2005 Location: Austin, TX Posts: 1,224	I'm going to have a similar setup to what you are looking at. I have a '77 long box that is getting a 3\4 drop with spindles and hanger/shackles. I will be using ImpalaSS wheels which are 17x8-1/2. I want to keep the tire diameter around 28". The biggest tires with that diameter are 275/50x17, and there are only two companies I know of that make that size... Falken and Nitto. Now, your proposed 285/70x15 tire size would be around 30.7" in diameter. So you could use a 275/60x17 (30" dia) or a 285/60x17 (30.4" dia) on an 8" wide wheel. The next tire size up is a 305/60x17 (31.4" dia) but that would require a 9" wide wheel, and the only company I've seen that makes it is Nitto. __________________ - Greg



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