Quote:
Originally Posted by fdjizm
tomato tomatoe lil bro.
I am still wondering why the torque is lower than the HP though.. might be a short stroker eyy?
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For one thing, its power peak is at 6500 rpm. Typically for hp to be less than torque you'd need a lower power peak, somewhere below 6000 rpm. This is due to the natural tendancy for torque to drop off at high rpm and that hp is a function of torque and rpms. At 6500 rpm, that engine is only making 333 ft-lbs, vs the 390 at its peak. Scale the rpms back and it makes less power, and eventually torque will become the higher number, probably at about 5800 rpm or so for this engine (depending on the shape of the torque curve).
The other reason is getting 85 ft-lbs/L is damm near impossible for a naturally aspirated engine from the factory right now. HP/L is a different story, you can wind it out all you want and increase power. But torque doesn't let you play games like that. It is linked very closely to displacement. Few vehicles on sale today have less than 60 ftlbs/L or more than 80 ft-lbs/L without forced induction. This covers economy cars to trucks to exotics.