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Mastercraft Courser MXT 37 12.5 17 - Sidewall Strength/Chunking

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Old 07-19-2016 | 01:37 PM
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Default Mastercraft Courser MXT 37 12.5 17 - Sidewall Strength/Chunking

Moving to 37s shortly from 34" MTR/K's, these seem like a great size/cost/weight for my 2-Door JKR. Does anyone have an updated review on the sidewall strength on the trail in the rocks as well as resistance to chunking? I have found many reviews on them early on, but mainly east coast Jeepers that frequent mud & dirt as opposed to rocks. We primarily run in Big Bear, Superstition Mountain & Calico at around 10 psi on the MTRs with no issue, they have held up admirably, hoping for something similar at a better price point than the 37 MTR & not as tall.
Old 07-20-2016 | 06:20 AM
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I have the MXT in 35" and have no issues. I am really impressed with this tire for the price
Old 07-20-2016 | 11:07 AM
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I bought 5 and no matter how I rotated them, re-checked alignment they pulled to the right. Put my old Duratracs that where still on 16" wheels, back on and drove straight. Put on a new set of Duratrac's drove straight. They even replaced two of the new tires with two newer tires. I wished they did not pull so much, because I liked the the way they looked and price.
Old 07-20-2016 | 07:12 PM
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They are a bit on the small size compared to others but other then that I have heard no complaints.
Old 07-21-2016 | 09:09 AM
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I have the 37's they are actually 36.1 with 32 PSI Ride great on the road with that pressure. On the Rocks they air down to 12 PSI great with no Bead-locks. I have a heavy Right foot and I have no chucking.

SideWalls are fine no problems with that. I mainly do rocks I try to avoid mud. Mud is 15 minutes worth of fun and 2+ hours worth of cleaning. I'd rather climb a ledge to avoid a pool of mud than go through it. Mud get into cracks and destroys balljoints, bearings, shocks and can mess with bushings etc...

Not saying mud will destroy your Jeep but its best to get it off and out of your Jeep as soon as you can get to a Self car wash station. Then you can take it home wash it again, detail it and get the stuff you missed.
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Old 07-21-2016 | 08:29 PM
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Thanks for all the info and great pics!
Old 08-29-2016 | 09:34 PM
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I pulled the trigger on these in the 37" Flavor! I have them mounted on OEM Rubi Wheels with a 1.5" spider trax spacer. They ride very smooth and quiet compared to my mtrs, balanced with very little weight and look great.

The Important Stuff:
Mounted Under the Jeep they are 36.0" on OEM wheels @ 30psi.
They weigh 94.9 lbs mounted & balanced with the OEM Wheel making them one of the lightest 37's out there.

I need to run a little lower psi, likely 27 to get a flatter contact patch.
I will be testing the sidewalls on Dusy Ershim very soon and will report back.
I paid $1200 out the door at a local shop in Anaheim.
Old 08-29-2016 | 11:29 PM
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Just did the dusy and it is a great test site for sidewall and tire tread strength. Buddy lost two lugs on his km2's ripped completely off the tire. I noticed when walking Thompson hill he was not the only one who has lost big chunks of rubber off their tires. It is a dusty sob right now too.
Old 08-30-2016 | 06:25 PM
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Thanks for the heads up! How long did you guys take to run? I'm running my hard top on my 2 door, any issues with trees or rocks takin out tops?
Old 08-30-2016 | 07:20 PM
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Originally Posted by Ajkaz
Thanks for the heads up! How long did you guys take to run? I'm running my hard top on my 2 door, any issues with trees or rocks takin out tops?
We camped two nights and took 3 days we got a late start the first day but it's a trail you need to take 3 days. Trees are freaking close together and if you let your concentration lapse you will be in trouble as far as hard tips go. We were both in 4 doors with hard tops. It would have been too dusty to do topless. No body or top damage but probably just lucky as roots were slippery and often off camber so tops would come close when jeep would flop back after slipping off roots. Rocks in places come close to your doors but never had an issue. We both were glad we had LoD Rock sliders as they more than paid for them selves.


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