George Roffe wrote: > In theory, a low mass flywheel will allow the engine to rev faster > (especially off-boost with a low compression engine) which in turn I'll let you know my thoughts when I get the twin-disc clutch on. RK -- Ray Kawski 1998 Sentra SE Turbo, 1991 NX 2000, 340K mile 1991 Sentra SE-R Poconos, PA