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Discussion Starter · #1 · (Edited)
Ok, less a Jeep question than a tire question but...

I have Duratrac 33x12.5r15s on my 97 Wrangler TJ. Despite no sound deadening or insulation, I can barely hear them on the road... and they are smooth.

I have Duratrac 35x12.5r17s on my 2012 F150. The road whine is incredible, despite relatively modern sound deafening and insulation. I can turn the radio up as loud as I can stand it and still not drown it out... and the ride is “pebbly”. At surface street speeds, say under 40 mph, on pavement it feels like I’m driving on a gravel road.

The Jeep tires are at 34 psi, the Ford’s are 38psi.

It is far more comfortable to drive the Jeep than the ford, just because of the tires.

The Jeep is on 15x8 steel wheels and the Ford on 17x8 alloy, if that makes a difference.

What is going on? Are the Ford’s tires over inflated? S9meth8ng else?
 

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I have had two sets of Duratracs and both were loud as hell after a couple of rotations.
 

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1978 Jeep Cj5 OEM AMC 304
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I had duratracs on my 21 Colorado. They get progressively more noisy.
 
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