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Old 02-05-2021, 07:43 PM
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Cobra Make, Engine: ERA 824 with 470 FE BBM street 427
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Delos, according to Chevron, replaced most of the ZDDP in Delos with ash alternatives. Shell claims Rotella still has 1200 ppm ZDDP. Valvoline VR1 and Gibbs are other high zinc options.
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