Thanks morscuba, we have the Mercedes 330 hp with the Allison 6 speed. We run 62 to 64 mph, have to run over 60 to get the Allison into 6th gear. But as most know you don't buy Heavy Trucks to get fuel mileage. GBY....
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2012 Chevy 3500HD DRW's LTZ (SOLD
2010 Mobile Suites 38 RSSB 4 (SOLD)
Trailer Saver TS 3
Pressure Pro System (SOLD)
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