Average 15 with my setup. To and from work ranging from 50 mph to 70 mph

 

This is exactly what I'm getting in my four banger, only my engine is stock and I'm on 235's.

 

You have an OD? I don't but will be putting one in when I 4wd swap. AX-5 not AX-15.

 

Yep, I have an AX-5.

 

Well with my past 5 tanks of gas im getting about 11mpg.... and im STOCK! helps, anyone?

 

Install bored throttle body and 4-hole injectors.

Change oxygen sensors.

Change spark plugs and air filter.

Get an aftermarket muffler and 2.25 or 2.5" tailpipe.

Change all fluids, preferrably synthetic in the engine and diffs.

But most importantly, drive that ***** like a 95-year old lady.

Doing the above has got my stocker 19 highway and 15-16 city easily.

 

O2 sensors are new, what spark plugs do you recommend?

 

I believe I used NGK 3459s last change. Just keep it simple with a copper plug, not any of the platinum stuff...the 4.0 just doesn't need/benefit from it.

Here's a link to the ones I got.