Little update, i got a Hx27W for free with a 5cm² turbine housing, so i think i will use it, with a super short tubing 2.5", AWIC, and modified 1Y (1.9D) intake manifold.
I would like to mod the pump more ( I already have gov mod, 0.95 timing, maxed fuel screw and lda mod)... i think of 10mm head but don't know haw to calibrate the dynamic advance... any idea ?
i think about porting head too, will see