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Don't think Mobil-1 10W30 has the the best additives

December 7 2017 at 12:54 AM

Paul  (Premier Login FEfinaticP)

Response to What motor oil to use?

Their 15W50 synthetic is not for the catalytic converter cars and has around 1200 ppm zinc, which is quite good for flat tapper motors.

Their 10W30 synthetic is s good oil for more modern motors with turbochargers and catalytic converters (ZDDP is tough on cats so the count is down for modern motors), etc, but would need an additive for flat tappets to boost the ZDDP count up happy.gif


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