2014 isx 15 gearing question

[Rawze]

first and foremost, who did the de-mandate programming. More than 90% of any programs seen are going to tear that engine up, and that should be your biggest concern far above any fuel mileage issues.


NEXT>... The taller you gear it ... All your going to do is severely shorten the life of the engine by lugging it everywhere and severely limit its power output to the ground (hence the artificial fuel mileage savings by gearing it way too tall like the mega-fleets do). You need to get that garbage idea out of your head real fast there. You are already geared too tall for any kind of heavy weights... taller will only make your situation much worse.

THE BIGEST KEY to getting better fuel mileage is not by torturing your engine but learning to control your right foot!. Learn to drive the thing by a boost and pyro gauge and stop using the damn cruise control combined with trying to drive it 70+ everywhere.

SLOW THE HE$LL DOWN, BE MORE DISCIPLINED BY KEEPING THE DOOR SHUT AND LEARNING TO DRIVE AT A SLOWER PACE WITH MORE CONSISTENCY so that you can make the same delivery times. Pick loads up early, deliver them up to an hour late .. etc... and stop racing the clock by going fast... but by slowing down and driving more steady with less stopping instead.


-- NEXT... you need to do everything to that truck to keep the fuel mileage in tip top shape. THIS MEANS tune-up work, ensuring the truck is spec'd for best fuel mileage, making sure aero is as best possible, truck matches trailer, etc. etc.etc.

Some more detail in what you got, what you haul, what make/model truck, etc. and what you do would likely help others with some real recommendations towards higher profit margins. - More info is needed.

YOU SERIOUSLY NEED TO START BY CONCERNING YOURSELF WITH THE DE-MANDATE AND ITS PROGRAMMING!@!!>>> AS MOST THAT ARE SEEN ARE HORRIBLE!.
ref: http://rawze.com/forums/showthread.php?t...5#pid13255

ALSO: Most delete shops DO NOT PROPERLY HOLLOW OUT the exhaust cans and that can cost you fuel mileage big-time. Many shops do not do the mechanical work properly and it causes fuel mileage, power loss, and eventually tears up the engine. here is a fine example.. http://rawze.com/forums/showthread.php?t...3#pid63743