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Babbage

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So the factory tires weigh 44 each, which I think is very good.
Your new tires weigh 52 each. No "weigh" you get the same mileage.

I = 1/2 * m * r^2 - otherwise this physics formula is wrong.

With rotational mass of acceleration and breaking - its like you added a phantom person that weighs about 160 pounds in the truck. When you spin stuff it weighs more... Not a huge difference, but it is not the same.

How is the sound/quiet etc?
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Samson16

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So I think only one OEM tire is XL and that's the General Grabber HTS 60:
My Hankooks are 51 psi tires. Am I missing something?

Ford F-150 Apples to apples efficiency comparison -- factory 33s vs. LT 34s tires, fixed course IMG_1992
 

Samson16

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They are SL tires no doubt but I thought Hamma was making a distinction for the SL 51psi tires which the Hankooks are.
 
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HammaMan

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They are SL tires no doubt but I thought Hamma was making a distinction for the SL 51psi tires which the Hankooks are.
I believe those tires to be SL labeled XL tires. You don't get 51psi rating without XLs strength.
 

Samson16

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I increased the psi to 36.5 cold/ 39 psi warm and it drove really well today. I’m slowly embracing these Hankook Dynapro AT2s and might just stay with them for towing and daily driving. Perhaps increase the psi to above 40 cold when towing heavy? My initial desire was to replace them with something better looking and “tougher”, but for actually doing the work I need done the boring OEM tires might be just the ticket.
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