hey has anyone ran 265/70R17 on there lifted liberty crd? just curious what kinda mpgs they are getting.

IMO, with a CRD, it's not so much tire size that effects MPGs but tire compund and tread pattern.

I was once running 215-85-16 tires, about 30.4 diameter, with highway tread and got great MPGs.
I'm now running a 245-75-16, about 30.5 diameter, with a more off-road type tread and have lost 4 MPG.

With the exception of the loss of MPG, these tires have been great. Good on and off road. Dry, wet, sand, and light snow. And they are wearing very well so I will probably be stuck with them longer than I expected.

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U.S. Army Retired

32x11.5x15s Goodyear MTR Kevlar and I get about 19-20 mpg.

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JBA 4" lift, IRO Tri-link w/ wwdiesel bracket, JBA sliders, 235/85-16 Goodyear Wrangler Duratracs, Mercedes Benz forged ultralight wheels, Weeks stage 1 and 2, Weeks lift pump and harness, Weeks battery tray and AGM battery, GDE tune, Suncoast TC, updated front pump, HDS 001 T-stat, ARP studs, Front and rear Detroit/Eaton Truetrac LSD.