as per christian...

if he incorrectly typed in the speed vs rpm thing into the computer then this would affect the bhp produced (as its a caulculated reading)
however shouldnt affect torque... and yoursis making bugger all torque!

i'd deffo have it setup and checked out on load by a pro (not that i know of anywhere thats good with XR4is ) to make sure the basics are ok 1st...