Re: [DML] Horsepower vs Torque

[Michael T Twigger <marktwigger@xxxxxxxx>]

True mainly because many stock 4cylinders
are made for everyday use where you need torque to work with, and not
race with.
But trying to increase hp and torque you have to change cams or computer
settings that control the valve timing to enable the engine to
reach much higher rpms for hp. And when you do that the engines
peak torque is at a higher rpm. Even though the rpm difference between
the
small engines to the much lager one isn't much. The difference in torque
is
huge. There is no way you could get the same amount of torque at the same
rpm out of
a N/A 2.0L 4 as with a 5.7 LS1.

MT

On Mon, 3 May 2004 18:27:20 -0400 Jim Strickland
<ihaveanaccount@xxxxxxxx> writes:
> I'm not sure you are correct.  I think it is technology-dependent. 
> VTEC/VVTLi engines are more likely to have higher torque RPMs 
> because of
> the increase in HP at the cam crossover.  
> 
> I took the average torque RPM for 100 cars from 2.0 liter to 2.3 
> liter,
> and got 3915RPM.
> I did the same for 100 cars from 5.0 liter (300ci) to 5.7L (350ci) 
> and
> got 3892RPM.    Not much of a difference there.
> 
> Consider that low displacement engines are more likely to have
> turbochargers, and turbocharged engines often have low peak torques. 
>  
> 
> Smaller engines should have a much higher peak HP RPM, but since HP 
> is
> measured on a scale of RPM, it does not necessarily mean that the 
> torque
> RPM will be high.  
> 
> Jim
> 1537
> 
> ps. a 1993 civic has peak torque at 2000rpm too.
> 
> 
> On Mon, 3 May 2004 15:24:51 -0400 Michael T Twigger
> <marktwigger@xxxxxxxx> writes:
> > Don't forget that torque in a smaller engine has max 
> > torque at a much higher rpm. While bigger engines such as a 350 
> has 
> > peak torque as low at 2000rpm. Which is much more useful. It means
> > less shifting, and more useable power for everyday use.
> > 
> > MT
> 
> 
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