We’re wringing the last bit of performance out of our LeGrand, and power is one area we want to improve. Sure, the car goes like stink, but what if we could find even more power for it? We’ve yet to do any real tuning on our car, and the ECU is still completely stock for the 2007 Kawasaki ZX10R engine—there’s surely some power to be had there.
To get a baseline power level, we towed the car to Superchips in Sanford, Florida, to put it on their Dynojet chassis dynamometer. In its bike form, the ZX10R engine should put out around 150 horsepower and 75 lb.-ft. of torque. How would it do with our homemade header, exhaust and two driven wheels? Time to find out!
After a pair of back-to-back runs, we looked at the Dynojet results. We were a little disappointed to see only 138 horsepower on the control screen, but a solid 74 lb.-ft. of torque cheered us up. We think we know the root of some of that power loss, and we’ll be addressing it shortly.
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