Will I need larger rims? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

uncle_handsome · 02-28-2005, 06:09 PM

A guy I know has a 1993 C1500 with stock rims (they look like 15"x6.5") and no-name 31x10.5"-15 a/t tires who wants to sell his truck to me. It'd be nice to not have to buy larger rims, but if I like the 31x10.5's I'd rather buy bigger wheels instead of switching to a smaller tire. I've been to BFG's website and they only recommend wheels between 7-9" for that size of tire.

Prerunner1982 · 02-28-2005, 06:16 PM

i doubt his wheels are that narrow, maybe 7" but also possibly 8". but thats newer trucks i dont know much about..

*1FaastC10* · 02-28-2005, 06:47 PM

why would you have to buy larger rims?

uncle_handsome · 02-28-2005, 07:06 PM

If BFG says their 31x10.5-15 tires need a 7-9" rim and the stock rim width is only 6.5". I don't know if the wheels are 15x6.5 or 15x7, but I know that the 16" wheels GM sells are only 6.5" on 3/4 tons and 6" on dooleys.

Destructo · 02-28-2005, 07:53 PM

those tires are fine on a 6.5" wheel, I would run a 31x10.5" on no wider than a 7" wheel, 8-9" and your getting closer to losing a bead off-road.

The company who made my tires says 8.5-10" but i'm running them on 8" wheels cause I hate losing beads lol. For just an off-road rig I bet you could run 35x12.5's on a 7" wide wheel.

uncle_handsome · 02-28-2005, 08:19 PM

Thanks, it'd be nice to keep the stock wheels 'cause it'd save me money.

uncle_handsome · 02-28-2005, 08:20 PM

Losing beads? Does that mean when your tire comes off the rim when running a tire at low pressure?

Prerunner1982 · 03-01-2005, 12:23 PM

yes

02-28-2005, 06:09 PM	#1
uncle_handsome Uncle H. is this cartoon Join Date: Nov 2004 Location: Mississauga, SC (I wish! lol!) Ontario Posts: 797	Will I need larger rims? A guy I know has a 1993 C1500 with stock rims (they look like 15"x6.5") and no-name 31x10.5"-15 a/t tires who wants to sell his truck to me. It'd be nice to not have to buy larger rims, but if I like the 31x10.5's I'd rather buy bigger wheels instead of switching to a smaller tire. I've been to BFG's website and they only recommend wheels between 7-9" for that size of tire.

02-28-2005, 07:53 PM	#5
Destructo Registered User Join Date: Sep 2003 Location: Lewisville, NC Posts: 1,836	those tires are fine on a 6.5" wheel, I would run a 31x10.5" on no wider than a 7" wheel, 8-9" and your getting closer to losing a bead off-road. The company who made my tires says 8.5-10" but i'm running them on 8" wheels cause I hate losing beads lol. For just an off-road rig I bet you could run 35x12.5's on a 7" wide wheel. __________________ 1985 Scottsdale Shortbed 4x4 Stout 350 with some "upgrades"-700r4-33x12.5" Mud Tires, Warn 8274-50 winch. 2005 Chevrolet Colorado Regular Cab 2wd 4-banger, 5 speed, Street Pack with 3.73 axle.

02-28-2005, 06:16 PM	#2
Prerunner1982 Registered User Join Date: Oct 2002 Location: Edmond, OK Posts: 5,906	i doubt his wheels are that narrow, maybe 7" but also possibly 8". but thats newer trucks i dont know much about..

02-28-2005, 06:47 PM	#3
1FaastC10 Account Suspended Join Date: Oct 2002 Location: Elkhart, IN Posts: 6,400	why would you have to buy larger rims?

02-28-2005, 07:06 PM	#4
uncle_handsome Uncle H. is this cartoon Join Date: Nov 2004 Location: Mississauga, SC (I wish! lol!) Ontario Posts: 797	If BFG says their 31x10.5-15 tires need a 7-9" rim and the stock rim width is only 6.5". I don't know if the wheels are 15x6.5 or 15x7, but I know that the 16" wheels GM sells are only 6.5" on 3/4 tons and 6" on dooleys.

02-28-2005, 08:19 PM	#6
uncle_handsome Uncle H. is this cartoon Join Date: Nov 2004 Location: Mississauga, SC (I wish! lol!) Ontario Posts: 797	Thanks, it'd be nice to keep the stock wheels 'cause it'd save me money.

02-28-2005, 08:20 PM	#7
uncle_handsome Uncle H. is this cartoon Join Date: Nov 2004 Location: Mississauga, SC (I wish! lol!) Ontario Posts: 797	Losing beads? Does that mean when your tire comes off the rim when running a tire at low pressure?

03-01-2005, 12:23 PM	#8
Prerunner1982 Registered User Join Date: Oct 2002 Location: Edmond, OK Posts: 5,906	yes



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