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Thread: 45HP Economy Tune

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    Dakota Corbin's Avatar

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    45HP Economy Tune

    2018 ram 3500 6.7, MM3 45Hp Economy, 4” Turbo back, EGR delete.
    My question is, what makes an economy tune?

    I’ve recently deleted the truck and during my drive today I noticed my truck likes to operate around 1500-1700rpm at about 50kmH/30mph, 110km/70mph 1500rpm.

    Would you consider this normal for an Econ tune?

    Felt very torquey I thought I was in tow/haul.

    Your opinion and tips would be appreciated, thank you.

    Sent from my iPhone using Tapatalk

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    Power247's Avatar

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    Re: 45HP Economy Tune

    That all sounds normal to me.

    'Economy tune' is just a name given by the person that wrote the tune or possibly the label for that HP setting option in the tuning device itself. I personally get my best MPGs on a 120HP tune and use 30 or 60 tune for towing.

    The RPMs at any given speed are dictated by hard parts like trans gear selected, axle gears and tire size.

    Tuning only affects how quickly you reach the desired RPM/speed.

    That's the torquey feeling you were getting.

    2012 | RAM 2500 | CCSB | MM3 tuned by Double R Diesel
    2016 | Heartland Pioneer | DS310

    2012 CCSB Big Horn 4x4 68RFE 3.73|FLO~PRO|SIMS|Edge Insight CTS|XRT Pro w/MCC by Double R Diesel|Infinity|JBL

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    cumminsdieselfreak's Avatar

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    45HP Economy Tune

    Also the torquey feeling is from having the factory torque/power management removed with the tuning. So you’re getting all the torque/power at once vs gradually.

    Sent from my iPhone using Tapatalk

    Current: 2018 2500 G56 Off Road. 2.5" RC Leveling Kit W/ 35" Cooper AT3 XLT.
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    To Do List: ARP 625 Headstuds. DRP EGR & Throttle Valve Delete. Valair Ceramic Dual Disc.
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