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Thread: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

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    Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    I am currently running Toyo AT Extreme 295/60/20 on my 2012 RAM 3500 4X4.

    I have Worx Beast 803 wheels (9" wide with +18mm Offset), no rubbing anywhere.

    I am curious to see if I can get away with running the larger 295/65/20 tires without doing a level or lift of any kind.

    If not, I will stick with the 295/60/20's

    Any input is appreciated.

    Thank You

    2012 Black / Silver Ram 3500 Crew Cab - Laramie - SRW - 6.5' Box
    6.7 Cummins, 68RFE, 4X4, 3.73's
    295/65/20 Toyo A/T Extreme II on 20" X 9" +18mm Worx Beast 803 Wheels

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  3. Top Of Page | #2
    Custom Offsets's Avatar

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    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    You can run a 35 and have minor plastic trimming, which will leave you with a slight rub at full lock.

    Still fine for daily driving.

    Check out more trucks here: https://www.customwheeloffset.com/wh...width_from=9.0

    This gallery link will help you see what each setup will look like.

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    MC250r719's Avatar

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    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    I have 35x12.50r20 on stock wheels with no lift and no full rubbing at lock.

    2017 RAM 2500 Big Horn sport appearance package, Auto Level Rear Suspension, MM3 "switch" Fully deleted - tuned by DRD, Airaid Jr. CAI, 3.5" Banks Monster intake horn, Pusher Boost Tubes, Flow~Pro 4" race pipe with a Flo~Pro Twister muffler, *** EGR disappear kit, Black Market Performance CAT fuel filter and water separator, Black Market Performance fuel heater, Black Market Performance head studs, AFE deep trans pan, Revmax trans cooler bypass, Revmax HD Valve Body, DPC Low stall converter with billet flywheel, AFE pro series rear diff cover, Amsoil throughout provided by mcsynthetics.myamsoil.com

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    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    On a side note, I have custom tuning on my truck (Raceme Ultra Warp Tuning - DRD).

    Does anyone know if I would be able to change the tire size on my programmer without having to get the custom tuning re-written at an additional cost?

    I would like to have my speedometer and program that I am running accurate so that shift points relative to speed etc. are exactly how they were intended in relation to the warp tuning I have.

    Would having a 2-3 mph difference @ 60mph due to an increase in tire size be harmful to the truck if the tire size is not able to be changed on the tuner?

    Thanks

    2012 Black / Silver Ram 3500 Crew Cab - Laramie - SRW - 6.5' Box
    6.7 Cummins, 68RFE, 4X4, 3.73's
    295/65/20 Toyo A/T Extreme II on 20" X 9" +18mm Worx Beast 803 Wheels

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    MC250r719's Avatar

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    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    Quote Originally Posted by ECLIPSE22 View Post
    On a side note, I have custom tuning on my truck (Raceme Ultra Warp Tuning - DRD).

    Does anyone know if I would be able to change the tire size on my programmer without having to get the custom tuning re-written at an additional cost?

    I would like to have my speedometer and program that I am running accurate so that shift points relative to speed etc. are exactly how they were intended in relation to the warp tuning I have.

    Would having a 2-3 mph difference @ 60mph due to an increase in tire size be harmful to the truck if the tire size is not able to be changed on the tuner?

    Thanks
    Yes you can change the tire size anytime you want without getting new tunes, go to ecm, abs.


    Sent from my iPhone using Tapatalk

    2017 RAM 2500 Big Horn sport appearance package, Auto Level Rear Suspension, MM3 "switch" Fully deleted - tuned by DRD, Airaid Jr. CAI, 3.5" Banks Monster intake horn, Pusher Boost Tubes, Flow~Pro 4" race pipe with a Flo~Pro Twister muffler, *** EGR disappear kit, Black Market Performance CAT fuel filter and water separator, Black Market Performance fuel heater, Black Market Performance head studs, AFE deep trans pan, Revmax trans cooler bypass, Revmax HD Valve Body, DPC Low stall converter with billet flywheel, AFE pro series rear diff cover, Amsoil throughout provided by mcsynthetics.myamsoil.com

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    MOD watersupply189's Avatar

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    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    Quote Originally Posted by ECLIPSE22 View Post
    On a side note, I have custom tuning on my truck (Raceme Ultra Warp Tuning - DRD).

    Does anyone know if I would be able to change the tire size on my programmer without having to get the custom tuning re-written at an additional cost?

    I would like to have my speedometer and program that I am running accurate so that shift points relative to speed etc. are exactly how they were intended in relation to the warp tuning I have.

    Would having a 2-3 mph difference @ 60mph due to an increase in tire size be harmful to the truck if the tire size is not able to be changed on the tuner?

    Thanks
    Yes you can but it requires a software update on your tuner to add that feature if you have had your tuner for awhile.

    If you just recently got it then it should already be programmed in there.


    2016 Ram Laramie 3500, G56, 6.7, CC, 4x4

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps w/Line-X, DRL's Activated, 35x11.50R18 Falken Wildpeak, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap

    2023- Jeep Wrangler Rubicon w/extreme Recon 35” tire package

    Past- 2015 Jeep Grand Cherokee Limited 4x4
    Past- 2019 Dodge Charger 392 R/T Scatpack Plus
    Past - 2014 RAM 1500 4x4 Lone-Star Eco Diesel

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  13. Top Of Page | #7

    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    Thanks, everyone.

    That is excellent news!

    2012 Black / Silver Ram 3500 Crew Cab - Laramie - SRW - 6.5' Box
    6.7 Cummins, 68RFE, 4X4, 3.73's
    295/65/20 Toyo A/T Extreme II on 20" X 9" +18mm Worx Beast 803 Wheels

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  15. Top Of Page | #8

    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    So just a quick update regarding this older post.

    I have installed the 295/65/20 Toyo Extreme AT II tires on my Worx Beast 803 20"x9"x 18mm offset.

    The suspension is completely factory.

    The only rubbing I have experienced is just before the entire lock on the splash guard (both sides - cab side).

    Trimming the small amount of them was super easy, and now it does not rub.

    I am pleased with the setup I am running, and I am experiencing a smoother ride compared to the old 295/60/20 Toyo Extreme AT II that I was running before with a shorter sidewall.

    Super easy to change the tire size using the Ultra programmer under the TPMS section

    Thanks again for the information

    2012 Black / Silver Ram 3500 Crew Cab - Laramie - SRW - 6.5' Box
    6.7 Cummins, 68RFE, 4X4, 3.73's
    295/65/20 Toyo A/T Extreme II on 20" X 9" +18mm Worx Beast 803 Wheels

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  17. Top Of Page | #9
    ricky_bobby's Avatar

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    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    You have the ideal gears for a 35" tire; nice job!

    If I went up another size to 295/65/20, I'd want to regear to 3.73s for sure.


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  19. Top Of Page | #10
    MolonLabe76's Avatar

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    Re: Anyone Running 295/65/20 On Factory Suspension - 2012 RAM 3500 4X4

    I ran that size on Fuel Maverick dually wheels and rubbed slightly where you said.

    I put Thuren lift coils on the front; they don’t rub at all now.

    I have 4.11 gears, and the tires lowered my RPMs to about 250 RPM below factory-size tires at 70mph.

    I adjusted the Speedo using my MM3.

    2018 3500 Single Cab DRW 4x4 H.O., Aisin Trans, Nitto Ridge Grappler 295/65R20, Fuel Wheels, Smoked LED’s All Over.
    Never Forget 343

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