Re: Motor oil info
All the research I've read so far indicates that this is a break in problem,..not a running problem with already broken in engines. For my recent rebuild, we used Castrol 10-40 with moly lube and GM break in additive. Changed the oil at 500 miles to plain Castrol 10-40, and at 3k to Mobil 1 10-30. No cam problems and no oil burning.
My question still is if the oil marketers can't use zinc and phosphate, what are they using to reduce wear and are these substances just as good as ZDDP?
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1971 BFG "Tirebird"
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04-03-2006, 06:46 PM
Hybrid Mode
