Guess who joined the 2L club? [TQ vs HP]

[treed2 at u.washington.edu (T. Reed)]

Doh! I totally spaced when replying to this..

-Toby

On Wed, 15 Oct 2003, Jason wrote:

> At 01:35 AM 10/15/2003, T. Reed wrote:
> > > Remember that the 2.0 makes more torque off idle than the 1.8 does at its
> > > peak.  There is a huge difference in drivability... the 2L is just a much
> >
> >Eh-whaaa?? Are you sure about this? Last time I checked the 2l torque peak
> >was ~132hp at ~4000 rpm while the 1.8l torque peak was ~123hp at ~4250
> >rpm. Yes, the powerband of the 2l is much broader but I can't see it
> >making 123hp at idle!! That would kick ass, though!
>
>
> Heya Toby,
>          Yep, I'm sure about it.  Remember, horsepower and torque are two
> very different things.  Horsepower is basically torque multiplied by rpm
> (and adjusted by a constant).  Thus, the more torque you have at any given
> RPM, the more horsepower you make.  But at the same time, a lot of torque
> at low revs calculates to a lot less horsepower than a lot of torque at
> high revs.
>
>          Once you know a torque curve, you can calculate the HP curve very
> easily using the following formula:
>
>          HP = (TQ * RPM) / 5252
>          [TQ here is in ft-lb, HP in SAE]
>
>
> Here's a great primer on HP and Torque, and their relationship to
> gearing:   http://vettenet.org/torquehp.html
>
> Jason
>
>