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Old 07-07-2002, 02:23 PM
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Jeff Frigo Jeff Frigo is offline
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Location: Chicago, IL
Cobra Make, Engine: ERA 454 S.O.
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10w-30 or straight 30 should be fine. After break-in, you should talk to your machinest to see what type of clearances he set up. Either 10w-40 or 20w-50.
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“If you can make black marks on a straight from the time you turn out of a corner until the braking point of the next turn, then you have enough horsepower.”

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