Quote:
Originally Posted by SilentBob420BMFJ
first off, id like to thank everybody for explaining..
but isnt hp a measurement of torque and rpms? meaning you have to either have lots of torque or high rpms to make a car fast.. i dont understand where these curves on dynos come from tho, are they from the engine or from switching gears? like what makes a torque or hp curve..
im going to go read several articles on tq/hp/rpm and get more educated, then i will be back
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cars dont make equal torque at any RPM. they make a certain torque at a certain RPM. the measure of torque along the RPM range is the torque curve. when we say a car has 300lb-ft @4000RPM, that only refers to the peak torque and what RPM peak torque happens at. for all we know, torque could be only 200lb-ft at 5000RPM. staying close to peak torque throughout the rev range is ideal and is whats called a "flat torque curve"