FYI, power level is at around 675rwhp @ 26psi.
There is a correlation with using oxygenated fuels like import or methanol. Either of these will mix with the oil.Are you running overly rich and washing out the engine or something?
Other than that, I don't see the correlation between more frequent oil changes with use of race gas, or 93 octane.
No, it's not.Is C16 oxygenated?
Weak..FYI, power level is at around 675rwhp @ 26psi.