RAM 6.4 Ike Gauntlet

RoyJ wrote:

travelnutz wrote:
Very simple explanation as Ram uses a very different method of determining both HP and Torque and you should know this Mr. employee of FCA. That is why GM vehicles always have beaten both FCA and Ford vehicles with having lower HP and Torque advertised ratings and the head to head tests reveal how true this is as some manufacturer's use their ratings numbers just for feel good advertising.

Exactly the opposite - look at Pickuptruck.com's dyno run, the 6.4 Hemi absolutely smokes the 6.0 GM:

http://news.pickuptrucks.com/2017/03/whats-the-best-34-ton-work-truck-for-2017.html


GM: 276 hp, 311 lb-ft
RAM: 340 hp, 372 lb-ft

Your statement was somewhat true, back when Chrysler had horrible transmissions, like the 545RFE, or the 42LE in my old Intrepid. But modern 6.4 Hemi with 8 spd ZFs or manuals are dyno monsters.

You'll find most 6.4 Challengers putting down the same numbers as my LS7 Vette, even though mine was rated 20hp higher from factory.

I believe the Ram engineers responded after the 2014 Ike test when TFL Truck crew posted their video and asked for them to comment. IIRC, they said (summarizing) that it's a designed in software program when at high load, high rpm, high altitude (which rarely happens to 99.9% of the population), the engine kicks into to save the EGR systems or something like that. The Davis Dam grade test doesn't show this effect (stuck at 4k RPM in 2nd), so it appears they are being truthful. I never experienced it.