RvolvoR you are wrong. The 2L ening will make 100kw with no boost while the 4L V8 will make 180Kw with no boost and that's not taking into account the piss poor 2L 4Cyl torque. Two T04's would suit the 4L nice and being ballbearing they will spool up quickly and the V8 has enough torque to be...
those oil aditives are just teflon top ups. They use some sort of teflon to reduce friction. I won't use anyting in my engine except for Mobil1 5-30 oil