Joshua Hunter Greenie N00B Member Greenie Member Feb 25, 2020 #1 From 'phate' over at MSF Some articles on the effects that the piston shape has on the DI engine Attachments piston1_.pdf piston1_.pdf 1.7 MB · Views: 48 piston2_.pdf piston2_.pdf 5.4 MB · Views: 29 piston3_.pdf piston3_.pdf 794.3 KB · Views: 10 piston4_.pdf piston4_.pdf 2.6 MB · Views: 18