Damn, Rampy does have his **** together
Cavitation is not a pretty sight.
I used Rotella ELC {extended life coolant} in my IDI with no problems, BUT have heard mixed feelings regarding the PSD's.
This is due mainlt to the fact that there are copper tubes that the inj sit in and theese tubes are swedged to the cyl head and sealed with "O" rings. This is a critical area .
I'm due to flush and fill soon and don't want to spend the$$$$$$
for Evans NPG, altho it sounds like the katz ***!