Towing with 37" or 40" tire

I have had Ram 2500's for awhile but they have just been stock setups and now I have found a few lifted setups I like but get all kinds of different info and advice as to if either of these set ups with 40's, 37's with a 17/18" wheel or 37's, 40's with a 20" or 22" wheel so I would have less sidewall flex and hopefully not have to mess with tire pressure as much as I might have to deal with using the 17/18" wheel. Most of any weekly towing would be a 22' open car hauler that would be about 5000lbs and probably 2-3 times a year I would be pulling an enclosed trailer with a total weight of 8000max about 2000 miles round trip.

Is this possible with the 6.4 and 4.10s or the Cummins with 3.42-3.73s on either the cab chassis or crew cab setup? I know, too many choices and opinions but I don't wan't to waste money on a setup that is not functional. But also neither is a drastic lift and I could always swap to a more stock type wheel setup for the long trips. Anyway, I guess I am just bored with the stock looking setup and looking for some input.

Subd.

Also here are what look like fairly mild lift/tire combo's, is the height or the sidewall of the tires the issue?

1960apache said:

Also here are what look like fairly mild lift/tire combo's, is the height or the sidewall of the tires the issue?

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That black truck is an AEV kit. Their lift and wheels allow you to fit 35-40 tires and still keep your factory capability. They are pricey though but their stuff is designed by ex Chrysler engineers and is very legit. I have a set of their wheels on my HD with 35s on stock suspenion for now and everything fits perfectly with no rub at all.

mohemipar said:

That black truck is an AEV kit. Their lift and wheels allow you to fit 35-40 tires and still keep your factory capability. They are pricey though but their stuff is designed by ex Chrysler engineers and is very legit. I have a set of their wheels on my HD with 35s on stock suspenion for now and everything fits perfectly with no rub at all.

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Cool, have you towed anything heavy with your Ram? The AEV is kind of deceiving but it says it is a 3" lift, I think those huge wheel flares and 40" tires make it seem like it is more of a lift so that is actually good. The funky cab chassis with the tray bed is cool I am not sure if I would get tired of that look, but it's kind of like a cross between a Ram, UniMog and a Land Rover.

Also I think my best solution is to get a set of 22" x 35" tires and wheels that have more of a highway friendly tread for the long trips, I can't go back to the mostly stock look after seeing the kind of crazy, Tonka truck looking AEV set ups!

With that first picture, that has to be in my opinion the best height, wheel and tire size you could ever want.
If that first truck is not yours, it should be)))))

Markcuda said:

With that first picture, that has to be in my opinion the best height, wheel and tire size you could ever want.
If that first truck is not yours, it should be)))))

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I hear that, I am hooked on them both, the cab and tray box is different and a little cheaper but most people are going to think I have gone into landscaping and think it's a dump truck and it would be nice to have a sunroof and a few luxuries even if it is a truck so the crew cab is good.

Also I don't think I would make enough long drives with a Diesel from what I am reading and would end up dealing with regen issues so I guess I would rather have more truck than engine as great as the Cummins is.

I have not towed anything with mine yet but here's a pic of one of the company owners truck.

mohemipar said:

I have not towed anything with mine yet but here's a pic of one of the company owners truck.

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OH heck yeah I should be fine. Also I think I should be fine for most towing with a 20"-22" wheel and a 39-40" tall tire with the least amount of sidewall, but those 41s look cool on the cab/tray bed.

Too many choices, we should have a truck for every occasion. I did also find some good comparison shots of the AEV vs stock, the hitch really is not as much difference as I thought and not need much of a drop and it may be worth the investment to have a hitch that is a bit lower rather than a long drop bar.

This is close to my trailer so I should be fine with less lift and less tire sidewall.

And more pics to make the choice harder!

Towing on 40's and the 4.10's will suck. Best to upgrade to 4.88's with that motor.

I'm on 35's and tow regularly. And I'm moving to 37's soon and will be going DEEP.

40's also won't fit without a lift like AEV's that moves the front axle. And those high mark flares of theirs, read the directions. LOTS OF CUTTING.

Now, 37's and something like Thuren's 3-inch coils, you'll be golden. But you might def want to still consider a gear swap for best performance. Still cheaper than the AEV setup and 40's.

You'll also notice from all of AEV's marketing material, all the trucks with 40's are diesel. If they have a gas truck, it's never more than 37's. AEV doesn't swap gears. LAME SAUCE.

Group, I’m currently running 37” toyos with 4.56 gears. I went with these gears because I eventually want to run 40s. Although 37s and 4.56s are fun but over 65 mph excelleration isn’t too good.
Now, I have fiberwerx fender flares up front and 40s will not fit without some major trimming and metal work. I’m a fabricator so that’s not a problem. I really need to push the axle forward about 2” but I’m not sure what to do about that. My suspension setup is a Carli backcountry 3”. The radius arms have no adjustability. Looking for recommendations! Cheers!

I've been thinking about this a lot, and for me I'm moving to 5.13's for 40's.