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Anyone ever use the Cera Tec or MoS2 in their 6.0 and is there any reason NOT to? I use the Archoil ar9100 with every oil change, but I can get the Liqui Moly stuff for dirt cheap from my guy at Napa so just figured I'd ask.
Liqui Moly is really popular among the European diesel car crowd. I also own a couple OM617a Mercedes diesels ( little 3.0 liter inline five cylinder engines) and liqui moly is as popular with that group as Archoil is with the 6.0 crowd. Never ran it in anything, so no first hand experience, but its definitely popular with the euro diesel people.
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