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285 or 295

285 or 295

Postby 12rrlove [OP] » Feb 15 2013, 10:20am

Hey guys new to the forum. I've looked at looked everywhere for my answer and can't seem to find it. I just purchased a 2012 extended cab sierra. Mostly likely I'm gonna put the 5in RC lift on it. I've been told that 285s(33s) will look good but I just can't see them being big enough. So that's when the 295s(34.3)come into play. BUT I do not wanna re gear or tear the truck up. So I guess my question to you guys is, is 295s to big? Will I need to re gear? And how bad will it hurt my mpgs? Speak your mind please! Cause I am stuck on what to go with!

285/65/18 or 295/70/18
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Re: 285 or 295

Postby Voodoo » Feb 15 2013, 3:50pm

Do a quick search for the tire size......pages of info will come up on each.

That said, I have 3.5" of lift and IMO the my 285's look too small. I'm beginning to realize that when a tire is 32.6, its NOT a 33. Every little bit makes a big difference.

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Re: 285 or 295

Postby KBacon » Feb 15 2013, 6:56pm

Several people run 35"s on the RC 5" kit... but depending on what gearing you have now... you may wanna stay a little smaller... 295 & 285 are actually the width... the next # is the aspect ratio.. which is the % of the width... followed by the rim size..
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Re: 285 or 295

Postby StarsnBars » Feb 16 2013, 4:27am

I ran both those sizes on my 2011 -1500. I think you would be disapointed with the 285/65/18's with a 5 inch lift. I agree with VooDoo. The 285's still looked small. Now the 295's were a different story. Nice size and my mpg's didnt suffer to bad . About a 2 mpg drop.
Heres a couple pics of the two sizes on my old truck.18426366
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Re: 285 or 295

Postby jbstephenson » Feb 16 2013, 5:16am

I agree with both of them. Depending on your gearing with the 295's your mpgs may suffer a little, but I only have a 2" RC leveling kit and at some angles the 275's i have look a little but to small. I know that kit is rated for 33s but i disagree because most 6" kits are rated for 35s. a 295 would look great on your truck with that lift IMO
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Re: 285 or 295

Postby 12rrlove [OP] » Feb 16 2013, 9:06pm

I'm just not trying to mess up a brand new truck, tranny, motor ect. And I def do not wanna re gear.
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Re: 285 or 295

Postby 12rrlove [OP] » Feb 16 2013, 9:26pm

Maybe just a rc 3.5 and 285/65/18 will do. Wonder how that will look?
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Re: 285 or 295

Postby Dmanj » Feb 16 2013, 9:33pm

The type of tire makes a difference aswell. For example, my Kelly Safari TSRs are 285/70r17 which is supposed to be 32.7" tall, however, they actually measure to be 33". The sizing also changes from one kind of tire to another.

Found this with pictures of 295/70r18 with 5" RC: http://www.gmfullsize.com/forum/showpost.php?p=4878940&postcount=2
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Re: 285 or 295

Postby 12rrlove [OP] » Feb 16 2013, 9:35pm

I've read anything past a 285 70 you NEED a re gear...
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Re: 285 or 295

Postby dbrandt2009 » Feb 16 2013, 9:38pm

http://www.autowaretech3.net/nextwheels ... ustire.htm

You can go there and lift your truck and put tires and or wheels to give you a rest estimate on how it'd look. I have a 3.5" lift with 305/55/20 (yes I know you want 18s) and it's perfect.

I didn't have to regear with mine, but my MPG suffered a lot. I went from 19 (pre lift and tires) to 14 after the lift and tires.
My top MPG since has been 18, but that was driving 65 for a hundred miles.
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