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Joined: Jul 2016
Posts: 128
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Jul 2016
Posts: 128 |
I'd be very surprised if the S&S motor needed Zinc dithiophosphate (ZDDP) as the reason it is mostly omitted from modern oils (except some racing ones) is that it's a catalyst killer. Agreed.
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