Spec data for a 1988 Toyota MR2 SC BHP: 145 at 6400 RPM Torque: 140 ft/lbs at 4000 RPM Source: Toyota Curb Weight: 2605 lbs. Weight Distribution: 44.5% Front / 55.5% Rear Fuel Capacity: 10.8 US gallons 0-60 MPH Time: 6.5-7.0 seconds Lateral Acceleration: .78-.80G Source: Various car magazine test results. Crank pulley/harmonic balancer diameters: 130mm alternator, 145mm supercharger. Rim sizes: 14 X 6.0 inches (stock) Alternate sizes: 15 X 7.0 Rim Offset: 33mm Tire Sizes: 185/60/HR14 (stock) Alternate sizes: 195/55/14, 205/60/14 (rear only), 205/50/14, 195/50/15 Tire circumference for best speedometer accuracy: 71" or 800mm (195/50/15) Top Speed: 129 MPH headlights up, 132 MPH headlights down. Boost: 3 PSI at 1000 RPM in 5th gear 6 PSI at 2000 RPM 7 PSI at 3000 RPM 8 PSI at 4000 RPM 8 PSI at 5000 RPM 8.25 PSI at 6000 RPM