Revelation is a Godsend! We have a 2006 Cummins ISX 500, it has increased our torque, power and fuel mileage. Our mileage is up .5 to .7 mpg and when we go through the mountains, we are no longer dropping 4 or 5 gears, it is 1, maybe 2 at the max. It is a completely different truck now!
Tom & Sharon Bridges
Posted on November 1st, 2007 by admin
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