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rx4ur7 · 10-09-2009, 05:57 PM

I point that out (ZDDP) on the my forum. Couple of good links there that I found.
I agree with the concern of the new EPA safe oils. Which could push me totally into the synthetic camp. And yes good point about turbo coking. I have not seen that as much in my FD client cars since the oil is not in there more than 1500 miles. Most change at 1200.

The main problem with leaking came from using in applications, motor, trans or rear that had been using petroleum for a long time. Do not really see it as much with new builds where, yes break in is done with petroleum then switch to synthetic.

10-09-2009, 05:57 PM	#18
rx4ur7 Rotary since 1972 Join Date: Nov 2008 Location: Tucson Posts: 231 Rep Power: 17	I point that out (ZDDP) on the my forum. Couple of good links there that I found. I agree with the concern of the new EPA safe oils. Which could push me totally into the synthetic camp. And yes good point about turbo coking. I have not seen that as much in my FD client cars since the oil is not in there more than 1500 miles. Most change at 1200. The main problem with leaking came from using in applications, motor, trans or rear that had been using petroleum for a long time. Do not really see it as much with new builds where, yes break in is done with petroleum then switch to synthetic.