My girldfriend just bought a '91 Prelude SI 2.0. I know that the B20 SI comes with 135hp and 127 ft/lbs tq and the B21 has 140hp, 135ft/lbs tq. My question is this: How big of an advantage in speed and all around performance does the 2.1 SI Prelude have over the 2.0?? I was doing some research and saw that the 2.1 has max HP @5800 rpms and max torque@5000 rpms while the 2.0 gets max HP@6200 rpm and max torque@4000 rpms. Is the 2.0 a higher revving engine? Any info will be greatly appreciated.

Thanks
Rezza