Offroad Trailblazers and Envoys

Lift/Tire Size Chart

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by navigator » Mon Aug 15, 2011 10:48 am

thanks James, any enhancements you feel like making feel free.I thinking about listing all the builds in one cell but hadn't looked into how to do it yet.
I removed the folks at the bottom with no sizes listed and fixed Noels listing.
I'm sorry Noel, I thought I had fixed you previously.

James, also feel free to clean up any posts in this thread that aren't needed.
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by Saxis » Mon Aug 15, 2011 12:04 pm

275/65/17 31.07 10.83 Y N N N N Saxis


I should be in the 265/70R17 line, but I can't say I didn't have to do some trimming, even though it was very minor. There's just less room in an Envoy's front fenders than a TB.
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by navigator » Mon Aug 15, 2011 1:32 pm

dang Saxis, I really wanted someone to be in that slot!
I moved you to the correct location and put ? for trimming for the 265 series.
I also updated the 285 trimming to Y. I know there may be some that haven't needed to trim but I think many have.
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by KE7WOX » Fri Sep 02, 2011 1:41 pm

Any chance you could update me to 265/70/17? I upgraded tires a while back but forgot to update the first post in my build thread
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by Me007gold » Fri Sep 02, 2011 3:39 pm

Could you put me down for 265/75/16?
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by Blackout » Fri Sep 02, 2011 3:45 pm

Same. 265 75 16
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by BSalty » Fri Sep 02, 2011 5:49 pm

Nice work!

However I did have to to some trimming and still need to do a bit more. Only the front lower edge of the bumper/air dam, and the black plastic rocker cover I had to trim from the bolt inward. And the drivers side still catches (barely) on the bolt head when its stuffed and turning left.

I think this is due to the rims I ran though. they are 7.5" wide and have 1" less offset than most here.
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by navigator » Wed Sep 07, 2011 10:32 pm

ok, I think I have the chart updated with the new sizes.
JD, there is some garbage at the top of the chart I can't figure out. I appears to be part of a cell for foosh but I can't find it in the table at all or in the message if I paste it in a text doc.
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by Trail X » Thu Sep 08, 2011 9:25 am

Looks good to go now.
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by Regulator1175 » Thu Sep 08, 2011 11:15 am

I am afraid to admit that I have been terribly lazy and have not created a build thread yet. I will contribute here for you though.

I am running 285/70/17 Treadwright Guard Dogs / both of MarkMc suspension and body lifts / 1.3" spacers / aprox 2 inches of sheet metal trimming to fit without rub. They still rub on the firewall at full stuff.
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by navigator » Thu Sep 08, 2011 11:29 am

JamesDowning wrote:Looks good to go now.

thanks JD, where did I have that stray tag?
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by Trail X » Thu Sep 08, 2011 11:36 am

'Twas somewhere in the middle.
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by navigator » Thu Sep 08, 2011 11:40 am

Regulator1175 wrote:I am afraid to admit that I have been terribly lazy and have not created a build thread yet. I will contribute here for you though.

I am running 285/70/17 Treadwright Guard Dogs / both of MarkMc suspension and body lifts / 1.3" spacers / aprox 2 inches of sheet metal trimming to fit without rub. They still rub on the firewall at full stuff.


do you think if you had the 1.5 spacers you would still need to trim?
I think most running 285's have had to trim some. I'll update the chart from "?" to "Y" to err on the conservative side.
Once you get your build thread in send me a PM and I'll update the chart.
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by bartonmd » Thu Sep 08, 2011 11:41 am

navigator wrote:
Regulator1175 wrote:I am afraid to admit that I have been terribly lazy and have not created a build thread yet. I will contribute here for you though.

I am running 285/70/17 Treadwright Guard Dogs / both of MarkMc suspension and body lifts / 1.3" spacers / aprox 2 inches of sheet metal trimming to fit without rub. They still rub on the firewall at full stuff.


do you think if you had the 1.5 spacers you would still need to trim?
I think most running 285's have had to trim some. I'll update the chart from "?" to "Y" to err on the conservative side.
Once you get your build thread in send me a PM and I'll update the chart.


The deeper spacers would mean you have to trim more...

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by HARDTRAILZ » Thu Sep 08, 2011 11:51 am

You have to take in consideration the use. Many people really dont wheel hard. I ran 36s without rubbing on road and some dirt n gravel trails but my 33s will hit firewall when really pushing the truck.

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by navigator » Thu Sep 08, 2011 1:05 pm

bartonmd wrote:The deeper spacers would mean you have to trim more...

Mike


gotcha, I can see, rubbing the outside of the fender.
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by navigator » Thu Sep 08, 2011 1:10 pm

HARDTRAILZ wrote:You have to take in consideration the use. Many people really dont wheel hard. I ran 36s without rubbing on road and some dirt n gravel trails but my 33s will hit firewall when really pushing the truck.

325 60 20's


This makes sense.
I expect most running the 285's at least have to trim some fender lining if not more.
My 255's have done everything I have needed them to do but I fully expect my next set of tires to be 265/75/16.
The next time I get a little ahead I plan to order some spacers and then keep an eye on CL for some wheels.

I hate having to air down when going on the beach. I've been a few times without airing down but am nervous the whole time I am on the soft stuff because the other drivers don't always have a lot of sense.
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by TangoBravo » Tue Sep 27, 2011 12:42 pm

265/75/16 pumas 3" lift no wheel spacer, no clearance issues.
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by galacticfuzz » Mon Oct 24, 2011 9:07 pm

Just got the 255/75/17 Guard Dogs on, yes on spacers and yes on the 2" lift from Mark. No clearance issue except the trim mounting location (in the wheel well close to where the door is) tab needed a few good whacks with the 2lb mini sledge.
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by Flying Monkey » Tue Oct 25, 2011 11:24 am

Im on 285/75/16 Guard Dogs now. Had to trim fender well opening at the back on the fronts and bumper. Also completely removed front inner fenders.
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