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I just bought the 37x13.5r20 Nitto Ridge Grapplers and was wondering on tire pressures. The shop maxed them out at 65psi but seems to ride too hard. Lowered all (4) tires to 60psi and that has helped. Was just wondering how low others were running theirs and tire wear at those psi settings. Should i also run lower in the back since it's lighter? Add air if towing or hauling of course....
Note: Also put the 5" Rough Country lift to fit the 37s
thanks,
2018 Pearl White Ram 2500 Cummins 6.7, 5" RC Lift with 37x13.5r20 Nitto Ridge Grapplers, Fuel Maverick, RC Steering Stabilizers, 4.10 gears, RevMax VB, RIGID Led bumper lights
2018 Pearl White Ram 2500 Cummins 6.7, 5" RC Lift with 37x13.5r20 Nitto Ridge Grapplers, Fuel Maverick, RC Steering Stabilizers, 4.10 gears, RevMax VB, RIGID Led bumper lights
I run toyo’s 37x13.50’s at 50 pounds all the way around, runs great, no wear issuesOriginally Posted by TCoopSC
I am also running a 4.5 TC lift
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TCoopSC thanked for this post
most guys will back them down to 45 +/- PSI. max pressure is only meant for max haul capacity requirements. Past that it'll ride super rough at max PSI!
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Thanks! Was hoping i could run them lower than 60psi. I'll try 50 and see how they feel/ wear.... thanks again!!
2018 Pearl White Ram 2500 Cummins 6.7, 5" RC Lift with 37x13.5r20 Nitto Ridge Grapplers, Fuel Maverick, RC Steering Stabilizers, 4.10 gears, RevMax VB, RIGID Led bumper lights
FullSizeRender.jpg.jpgBefore and after. Pretty good upgrade it think!!
2018 Pearl White Ram 2500 Cummins 6.7, 5" RC Lift with 37x13.5r20 Nitto Ridge Grapplers, Fuel Maverick, RC Steering Stabilizers, 4.10 gears, RevMax VB, RIGID Led bumper lights
The new wheels and tires are a much better fit for the lift. Looks good man!
Greg
2012 | RAM 2500 | CCSB | MM3 tuned by Double R Diesel
2016 | Heartland Pioneer | DS310
Greg
2019 | RAM 2500 | CCSB | 6.4 HEMI
I am running my 38 x 13.5 x 20's trail grapplers at 42 psi. I need to measure the wear but looks good.
Congrats bud it looks good
2012 Cummins Ram 6.7L MM3 tuner full 5" Flo Pro TBE Exhaust LWBCC 4x4 Mag Hytec Double Deep Transmission Pan , Mag Hytec Rear Diff Cover
Airlift part # 57595 7500lbs airbags ,Nitto Ridge Grapplers 35/12.50/20 on XD 829 Big Hoss ll Satin Black Machined Dark Tint 20 x 9 with + 18 offset rims,MM3 Tuner With full Custom Tunes by Ray at DRD , Autometer A13117 Pillar Pod , Edge 98004 mount adapter , Mag Hytec front diff cover, SuperNova V4 LED Headlight Bulbs
Nice rims. I'm running the 35x12.5 on 22" Mavericks. I'm trying to figure out what tire pressure to run as well.
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