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Tire pressure and mpg for offroad tires.
Posted on 5/21/14 at 9:54 am
Posted on 5/21/14 at 9:54 am
I got 14 mpg on my first tank with new tires, and that was at 30 psig. I raised it to 35 last night. I've read that you can run 50 psig in these E rated tires, but I'd probably have to duck tape my teeth in. Is there a point of no return on mileage with air pressure in offroad tires?
ETA: To be honest they are all-terrain tires, but a bit more aggressive than the normal ones...
ETA: To be honest they are all-terrain tires, but a bit more aggressive than the normal ones...
This post was edited on 5/21/14 at 9:56 am
9
Posted on 5/21/14 at 10:00 am to Gaston
I've always sacrafice MPG for a smooth ride. I run 40PSI in my 3/4 ton truck. I don't haul that often and it rides way better than with 55PSI in them. The tires look good on your truck!!! 
Posted on 5/21/14 at 10:01 am to TexasTiger01
I run 34-37 on my mud tires on the jeep, your fuel mileage gain won't justify the horrible ride. Depending on how much bigger and heavier they are than factory recommended tires, the only thing to get better mileage is to regear appropriately.
This post was edited on 5/21/14 at 10:02 am
Posted on 5/21/14 at 10:02 am to Gaston
With 10 ply tires on that go kart you'll probably have to tape your teeth in regardless.
Run 5lbs under rated for MPG and run just enough to keep them on the rim for off road.
Run 5lbs under rated for MPG and run just enough to keep them on the rim for off road.
Posted on 5/21/14 at 10:03 am to Gaston
I read a harvard study that showed 42psi is the ideal psi for ride/comfort/and mpg on toy trucks.
Posted on 5/21/14 at 10:10 am to DownshiftAndFloorIt
quote:No shite. Why someone would get E rated tires on a small truck, I have no idea
With 10 ply tires on that go kart you'll probably have to tape your teeth in regardless
I have always drawn a chalk line across the tread and inflated until the tire contacted the ground evenly. Conserves tires much better that way.
Posted on 5/21/14 at 10:11 am to Chad504boy
quote:
mpg on toy trucks
Hey, at least I get big truck gas mileage.
Posted on 5/21/14 at 10:11 am to Gaston
what tires did you get?
Posted on 5/21/14 at 10:15 am to Hammertime
quote:
Why someone would get E rated tires on a small truck
I have C rated tires on mine and do stuff like this with it. I can't imagine how horrible it would ride with 10 ply stuff
Dont forget josey, My truck > your truck
Posted on 5/21/14 at 10:15 am to Hammertime
quote:
Why someone would get E rated tires on a small truck
I got them for side wall durability. I absolutely don't want to have flat on the trip we're about to go on. I have 8 days of Sierra mountain drives and I need to get back down.
https://www.youtube.com/watch?feature=player_detailpage&v=iBjzxMGS1b0#t=268
Posted on 5/21/14 at 10:16 am to Lil Man
quote:
what tires did you get?
Cooper Discoverer S/T Maxx 265/70/17
Posted on 5/21/14 at 10:19 am to Gaston
i'm leaning to cooper discover at or toyo at tires for my next set.
Posted on 5/21/14 at 10:31 am to Gaston
I rode around through sharp pointy sticks all day with D rated Swampers on my Tacoma and they never got punctured. Your life is gonna suck with those tires
Posted on 5/21/14 at 10:32 am to Chad504boy
I'm thinking about airing them up to 50 psig just to see if I can handle the ride and set a mpg mark through the rest of the tank. 50 psig!
Posted on 5/21/14 at 10:33 am to Gaston
How do the tires ride compared to your last set???
Posted on 5/21/14 at 10:33 am to Gaston
Check the contact patch. That's a bunch of air and not much load.
I personally like my truck to ride a little shitty, so I usually roll around at rated pressure.
I personally like my truck to ride a little shitty, so I usually roll around at rated pressure.
Posted on 5/21/14 at 10:35 am to DownshiftAndFloorIt
tires are too expensive, i'm all about tread life.
Posted on 5/21/14 at 10:35 am to TexasTiger01
I don't mind the ride at 35 psig, it's not some huge difference. We'll see at 50. I'm reading that I should up it incrementally to 'break in' the tire. Sometimes I think the internet is full of shite.
Posted on 5/21/14 at 10:36 am to DownshiftAndFloorIt
quote:
roll around at rated pressure
Rating of the tire or rating on the vehicle door sill?
Posted on 5/21/14 at 10:37 am to Gaston
quote:
Sometimes I think the internet is full of shite.
It is, you been on the OT lately....
I would think 50 is going to be way to much. You will probably find a sweet spot somewhere between 28-35PSI.
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