AZDodge4Sand
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Re: Diesel vs gas......................
BertP and Aquaduct - I was trying not to get too technical, and I have to agree with what you said. I wonder how many people are actually going to read all of what was written if it's beyond them, or if they just don't care. I certainly do :-) That's the nerd in me saying woohoo! All of what has been said comes down to measuring the rear wheel hp and torque applied by the vehicle in question. Engine torque and hp are only relevant if the drive ratios are equalized. I still believe that with todays typical TV, when running in OD or 1:1 ratios with equal ratio rear ends and tire sizes, the diesel has an advantage. Notice how I had to narrow everything down so much. As soon as the gasser down shifts, everything changes - including the amount of fuel gushing into that gasser! I don't think anyone here can argue that TODAY's diesels have better efficiency and in the long haul (no pun intended) offer a better solution as a TV.420Views0likes0CommentsRe: Diesel vs gas......................
Diesel or gas? Diesel wins on engine efficiency. If gassers were the best choice to a TV, then all the commercial trucks would use gas motors - but they don't. I'll add the following with a qualification first - I'm a degreed mechanical engineer. This topic is the stuff I studied in school and it's what a lot of BSME's do for a day job. Any vehicle is going to reach its top speed when the engine is creating its peak hp number - as long as the gearing allows the motor to spin at that speed. Along with that statement goes this - the vehicles top speed is NOT achieved at the engines peak torque rpm. I am confident that no one here can state factually that their TV reaches max speed on a hill at the rpm the motor makes its peak torque. Plain and simple. Torque is what gives a vehicle acceleration. Big trucks need lots of torque multiplied by low gearing so they can accelerate the load. Once they start upshifting, the rear wheel torque starts to drop and eventually acceleration stops. This is the maximum velocity the rig can manage. The rpm WILL be at the engines peak hp number. In sum, an old friend explained it best when he said "Torque is what gets you moving, but hp is what determines how fast you'll end up going".338Views0likes0Comments
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