Red Line Oil Most classic car enthusiasts would sooner pour water into their crankcase before using synthetic oil in vintage applications (especially on anything built in Britain). Red Line Synthetic Oil is formulated, however, to meet the particular needs of older engines with wider bearing clearances despite its fully-synthetic ester formula. Moreover, Red Line High Performance Motor Oil contains ZDDP in amounts more than sufficient to protect against flat tappet cam failure. The only question is whether synthetic oil can…
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