Currently I am using a Banks Six Gun.....It doesn't smoke much and doesn't make a great lot of power until the boost comes up, so about the time it's really pulling hard it hits the rev limiter has to shift, would really help if you could change the rev limiter, and recalibrate for a different...
Rotella synthetic, Amsoil synthetic, Royal Purple synthetic
Have a lot of diesels around here:D
Currently I am running Amsoil in my truck, but I am going to change it soon and I am going to put Royal Purple in it. Have been running it in my gassers for years and have had good performance out...