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Chevy Silverado and GMC Sierra Tires and Wheels

68 messages,  Last post on Oct 26, 2009 at 8:31 PM

You are in the Chevrolet Silverado & GMC Sierra Forum. Your Host is kcram

What is this discussion about? Chevrolet Silverado 2500HD, Truck


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#59 of 68
Sierra 1500 4x4 Crew Cab Tires by daves77a
Dec 22, 2008 (4:26 pm)
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The stock tire size is p265/70R-17 but the dealership has put on Goodyear Eagle LS2 275 -55 R20's. Is this a good thing?? I will be using them in the snow country. Please let me know if I should get them replaced with original size.
#60 of 68
Re: Sierra 1500 4x4 Crew Cab Tires [daves77a] by kcram HOST
Dec 24, 2008 (6:19 am)
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Replying to: daves77a (Dec 22, 2008 4:26 pm)

You definitely do not want Eagles in the snow. Find a good winter or snow-rated all-terrain tire if you'll be in the deep white, or a snow-rated all-season tire if it's occasional light snow. You also want a narrower tread in snow to be able to get more downward weight ion less area; this prevents floating on the snow.
 
kcram - Pickups Host
#62 of 68
2006 Silverado 1500 4x4 Tire upgrade by Kitmac
Feb 06, 2009 (7:06 pm)
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I have an 06 1500 4x4 with 17 in rims . Can I put 285's on this truck without any rubbing or problems?
#63 of 68
silverado 2500HD tires.... by hoenig
Feb 07, 2009 (4:03 pm)
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i currently have LT245 75 R16 tires on my stock 2004 silverado 2500hd. i want to get a little bit bigger tires, i was thinking 285's although i don't want to get a suspension lift. i really just need to fill the wheel wells with more tire. the 245's just look to small. so, do i get 285's or 265's?? any thoughts?
#64 of 68
Re: new 07 silverado 2500 [skippert] by akjbmw
Feb 09, 2009 (9:00 pm)
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Replying to: skippert (Aug 27, 2008 7:15 am)

Re post #47. I just bought an 07 2500HD Duramax Crew that has the same tires. I don't know yet what the rims are or what the lift is. Sure pulls our trailer better than the '98 K1500 did.
I don't feel the stability issues you mention other than the width seems to cause a pull to whichever side of the chain wear valleys in the pavement I am up on. Don't notice any pull on fresh road surface.
It is now almost six months later, have you resolved the problems you were experiencing?
 
Thanks
#65 of 68
by MichiganMax
Feb 19, 2009 (4:08 pm)
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I've got a 2002 2500HD CCSB 4x4 and run 285/75/16 with the torsion bars cranked up, not all the way I don't believe. I have never had them rub at all and did not trim anything and do drive off-road on uneven terrain
#66 of 68
Tire Wear or Cupping by 2008sierra
Jun 30, 2009 (6:24 am)
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2008 Sierra Crew Cab / 2WD / 21,000 miles - I have experienced some cupping on the inside of both front tires. The alignment shop said the truck is in alignment and it is a shock issue. The dealer says it is a rotation issue. On my 99 Chevy I rotated once every 15-20K without issue. The dealer says I should rotate every 6k especially with the more aggressive tire tread.
Any idea who is right?
#67 of 68
Re: Tire Wear or Cupping [2008sierra] by obyone
Jun 30, 2009 (12:15 pm)
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Replying to: 2008sierra (Jun 30, 2009 6:24 am)

It could also be a tire issue. Especially if you have those cheap Generals installed.
#68 of 68
Thinking of increasing tire & wheel size? by marvedog
Oct 26, 2009 (8:31 pm)
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I have a 2005 Silverado 1500 extended cab 2wd. It has the 5.3 engine with a 3.73 rear end. It came stock with 245/70/17 tires. An optional tire was 265/70/17. I am thinking about getting a set of tires and wheels from a friend who replaced theirs with some fancier wheels. The size is 265/65/18. They are from a late model Chevy Tahoe. They bolt on fine and do not scrub (have not driven with them). The old tires had maybe 1" of clearance from the torsion bar when you crank the wheel all the way to the side. With the new 18" wheels and tires, the clearance is down to about 3/8".
 
When you compare the two sizes, the 265/65/18's are only .79" wider and 1.06" taller than the 245/70/17's. When you compare the 18" to the optional 265/70/17, there is very little difference in size.
 
What problems might I run into by running the 18" wheels and tires?
 
I believe it will effectively lower my rear end gear down slightly to around 3.6. I don't know that that little difference will be noticeable as far as power or gas mileage?? Any problems with the transmission?
 
Any thoughts would be appreciated.

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