Are large gas motor Rv's underpower?
At the risk of getting someone angry for me asking the same question they don't want to see again, that no doubt some people feel has been discussed enough. Are gas Class A's underpowered to tow a...
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Gas vs diesel power boils down to torque.
The same sized basic gas engine will have less torque than the same sized basic diesel engine.
Torque equals pulling power.
My 300hp Duramax Diesel provides over 600lbs of torque. It's a lot smaller than the old gas 7.4L (454 cu inch) I had before. The 7.4L Gasser put out about 390lbs of torque.
The diesel pulls a 6% grade at nearly 20MPH faster than the old 7.4L gasser. RVs are identical in weight and size.
The same sized basic gas engine will have less torque than the same sized basic diesel engine.
Torque equals pulling power.
My 300hp Duramax Diesel provides over 600lbs of torque. It's a lot smaller than the old gas 7.4L (454 cu inch) I had before. The 7.4L Gasser put out about 390lbs of torque.
The diesel pulls a 6% grade at nearly 20MPH faster than the old 7.4L gasser. RVs are identical in weight and size.
