Re: Horrible, I mean really bad, mpg on my hemi
Yes, it is easily possible, with the proper mods. and vehicle configuration. My guess is he's using EVIC numbers, and not hand caluclating. With all my mods. (see signature) and MDS (which he says he doesn't have anymore) the very best I've ever gotten (at altitudes above ~2500 ft/ hilly, mountainous) is 24 mpg.....all highway, and the MDS working more than 90% of the time. I almost always get above 20 mpg, and usually around 22 mpg driving the highways where I live. If I shut the MDS off, I'll take an immediate ~2 mpg hit. Since the rest of his is relatively stock (only mods. cam, CAI and tuner) with the stock exhaust logs, and no MDS, I think, when all things are added up.....cam doesn't produce as much power/torque at lower (1800-2200) RPM, no MDS, stock exhaust logs/exhaust, it would be tough to get that kind of mileage, at least at the altitudes I drive. Also, if he's running ethanol fuel (which I don't), he'll also take a hit on mileage. Speed and tire pressure, will also have an immense impact. How much air does he run in the tires, and at what speed does he drive? He also hasn't said what cam he's had installed, and what the specs. of it are? Inquiring minds want to know.
05 LX/RT and 06 WK/GCO, (modded similarly) with MDS "ON" Light, Vortex Gens, Debadged, DashHawk, BT Catch Can, SRT CAI W/Add Air Inlet, K&N Filter, Sonnax Trans Line Press Booster, SC Tuner W/Adv Trans Tuning App, DS Tuner, Cust tubular headers w/3 in. catback, Bilsteins, SRT frt/rear bumpers, Eibach SRT Lwr Sprgs & Sways, FRI Sidewinder Cam Adv 2*, 6.1 valvetrain, SLP 25% UD Pulley, BBK 90mm TB, SOS Coils/.060 spark plug gap.