Originally Posted by hosejockey2002
That's one of the funniest things I've ever read. It takes FUEL to make power, period. It's possible to make an engine more efficient by improving intake and exhaust as well as adjusting injection timing. But to get more hp, especially the really hot tunes it takes more fuel. Everyone I've talked to that has chipped a truck for more power really likes it but they admit that mpg is the first thing to go once the power is turned up.
Gotta say that it's true. First hand experience too. 180 mile trip there with chip off at 18 mpg. 180 miles back with the chip all the way on, 24 mpg. That was the only difference.
Sure, you lose mileage if you can't keep from slamming the pedal.
2005 Isuzu NPR turbo diesel 16' box
2000 Ram 2500 24 valve CTD
1996 Ram 2500 12 valve CTD
1999 F350 7.3 PSD flatbed
20' enclosed, 16' open, 14' dump
3 Walker MT 48", Toro Z500 60",
Toro proline 48", Dixon ZTR 42"
Stihl small equipment
SC licensed pesticide applicator
Last edited by precision8m; 12-16-2012 at 10:09 PM.