Quality real synthetic for the engine and Transmission (Thanks to/for the wealth of information on this Forum), Formula + for the primary. Feeling comfortable using at least one HD oil.
I voted for other. I recently did the SE compensator kit. I put Walmart Super tech 20/50 back in the primary. Shifts as quietly and smooth as any thing else I have used. Not sure if it is the SE comp or the oil? Probably both. Am happy.:TEXAS