You are right in that a gas engine makes more horsepower with everything being equal, BUT, you are wrong on the torque. A diesel makes much more torque than a gas engine with everything else being equal. Diesel fuel has MORE BTUs per gallon than gasoline. Diesels have much higher compression than gassers.
Also note that a diesel makes its peak horsepower and torque at a much lower RPM range than a gasser. Most gassers have to rev up to near redline to reach their peak horsepower.
Each type of engine has its own set of strong points and weak points.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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