Offroad Trailblazers and Envoys

double checking

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by jdmser » Sat Feb 20, 2016 4:16 pm

I've done some research and have narrowed down to a set of wheels and tires. Just want to check before I pull the trigger if I'm missing anything. The tire is going to be a 285/70/17 and the wheel is a 17x8.5 with 25mm of offset, 5.8" of backspace, and a 110mm center bore. It's a 6x5.5 pattern so I'll be swapping out my 1.5" spacers for 1.5" adapters. I currently have mark's 3" suspension and body lift. I think that about covers it.
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by Rickalicka18 » Sat Feb 20, 2016 7:58 pm

Sounds like a good plan. Remember that 285/70/17 tires would require some serious trimming (unless you're ditching the front bumper cover) and make sure your differential gear ratio can support them safely. I'd also add a 3" liftmeister body lift since it will most likely mean less trimming in the end plus who doesn't like more height? And longer rear control arms (massive sells them) since the tires will get sucked forward when you put the lift on (it'll just help to center the tires in the wheel well). Lastly I'd look into upgrading struts, shocks (z71 shocks), springs (stiffer springs) and flip uca's.
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by jdmser » Sat Feb 20, 2016 8:36 pm

Body lift is already on as well as shocks,struts, and and z71s. Massive kit is waiting by the front door and ss axle and front diff are sitting in the shop. Oh, and the bumper kit is out in the garage.
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by Rickalicka18 » Sat Feb 20, 2016 11:05 pm

Your all good then haha
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by HawkeyeC25 » Sun Feb 21, 2016 12:33 am

I agree - you should be in good shape. See my build thread for some pics of the same wheel setup (17x8.5, 25mm, 6x5.5 adapters), but I don't have the body lift so I went with 255/75/17. The only tight spot I have is in the front fenderwell when the back of the tire is turned in toward the engine (pics in the thread). The clearance between the tire and firewall/footwell is pretty tight. The body lift SHOULD take care of that, but I would test it out in a ditch before bombing over boulder while steering at full lock :drive:
2005 Trailblazer EXT LT V8 Lifted
Build Thread
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