Quote:
Originally Posted by joes455
OK so currently added 5qts of royal purple break in oil ,I need 2 more quarts .Can I add regular oil to the mix,or just get the 2 qts of royal purple
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If you are breaking in a flat tappet cam, NO. Regular oil has too many detergents that will wipe the break in lube off the cam and lifters and hold it in suspension. Spring for the extra 2 quarts and play it safe.