Originally Posted by Pud237
there won't be a lot of fettling possible on the M3 engine as it is mostly a race engine from the factory.
you say that but what about the McLaren SLR? Someone came along and hiked the power up quite a bit on what was allready a near race spec engine
AFGAS? 102 Ron? what class does this run in then
440 on that fuel, and that dissplacement is poor then
