Volvo 780 with Cummins ISX
01-24-2018, (Subject: Volvo 780 with Cummins ISX ) 
Post: #4
RE: Volvo 780 with Cummins ISX
If you like the interior a LOT, then the slight fuel mileage losses are are only significant if you drive them hard or start turning up the HP above about 450 - 475 or so. They do really well on fuel at about 63 mph or so when set right.

Intake and other engine restrictions on a truck only apply if you are pushing against them.


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RE: Volvo 780 with Cummins ISX - Rawze - 01-24-2018



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