Ross260Z

Block L28 F54 block with siamesed bores, bored 3mm (3.1 L) 2.8 LD crank 89 mm pistons 240Z conrods Aluminium flywheel race type harmonic balancer flywheel, crank, harmonic balancer, pistons, rods all balanced Head Not sure - either N42 or P90 - will check when I get an opportunity Standard valves, ported 72 degree cam (mild spec) Compression 9.5 to 1 runs on premium unleaded fuel Ignition CDI Fuel system Throttle body fuel injection Wolf 3D Ver4 engine management Exhaust ? headers through to 2 1/2 inch mandrel bend exhaust 148 Kw at the wheels (198 horsepower) There are two dyno results - before and after some considerable tweaking of fuel and ignition maps. The top curves (after ) are the current power and torque curves.