Guys with aftermarket lifts and tires get in here

[Jolseen]

Post the fuel millege city/hwy AND mods please.

[Hoosierdiesel]

I am getting about 10-12 with 60% city 40% highway. 6in lift 37in tires everything else is stock.

[01excursion7.3]

Can't help you, but try a search, those threads are all over.

[Ant250]

6" lift 37's @14 city have seen up to 20+ hwy spartan 275 dd

[L-Force]

4.5" and 35"s and stock, 12-14 mpgs.

[LovinPSDs]

i don't do the math but I would guess around the 17ish range. I have a 4.5" and 37's and I don't spin crap for RPMS on the highway because i have stock 3.73's.... Full tranny, spartan, intake, exhuast

[sdcarguy]

almost 50 50 highway and city right now
10 inch with 38s on the 210 i get about 12-13 with the 250 i see about 14-15 havent loaded the 275 or 310 in a while since the updates from spartan have been on hold and I havent had my tunes adjusted for the new tires.

[ROCKETW19]

37s on level kit with the spartan 210 tunes gets me 14mpg almost all city. before spartan everthing else the same I was gettin just under 12mpg. all this is on the lie o meter and no tire correction.

[96bronco]

Leveled with 37's, I get 12-13 city, 16-17 hwy on 250 tune.

[idreama300]

6" lift, 37's, stock everything else. 85% city/ 15% hwy =10MPG