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JimNNN · 12-15-2019, 01:27 PM

As usual, thanks a TON KULTULZ. Big help. And thanks, too Nutch11. Good source.

Ole Don, I'm using STP oil treatment with the ZDDP added. Can you think of a better option? I notice that there are some other ZDDP additives out there, but the STP seems to be what's readily available at most stores.

12-15-2019, 01:27 PM	#7
JimNNN Senior Member Join Date: Apr 2014 Posts: 522	Re: FE 390 oil related questions As usual, thanks a TON KULTULZ. Big help. And thanks, too Nutch11. Good source. Ole Don, I'm using STP oil treatment with the ZDDP added. Can you think of a better option? I notice that there are some other ZDDP additives out there, but the STP seems to be what's readily available at most stores.