Re: Prolong, Duralube or Motor-up

Posted by Fred .h Engelman on July 23, 1998 at 16:18:57

In Reply to: Prolong, Duralube or Motor-up
posted by DEV on July 20, 1998 at 09:29:12

I use duralube to break in newly overhauled engines.I add one quart to the pan and add 4 qts of 30 weight to it.The duralube appears to be absorbed by the babbit and it gives a very smooth startup.I later change oil but will add another quart of duralube to the engine.

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