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Old 11-01-2018, 09:53 AM   #111 (permalink)
slowmover
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Join Date: Oct 2009
Location: Fort Worth, Texas
Posts: 2,442

2004 CTD - '04 DODGE RAM 2500 SLT
Team Cummins
90 day: 19.36 mpg (US)
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How long is your route?

Trucks have oversized cooling systems compared to cars with sand drivetrain. The HVAC heater can be on its own circuit (not a good gauge as to warmup). Tires and axles also longer to warm. Etc.

A grille block at 41F or lower would have been “good” (See operators manual).

Im simply suggesting that specification differences per design (it’s a truck and not a car) should be kept in mind, first.

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