Quote:
Originally Posted by dgmgohl
I just had my 255 Merc Flathead rebuilt, and the company that rebuilt it said I should use PennGrade motor oil. When checking on Amazon, this stuff is expensive! Almost $100 per case of 12. Has anyone heard of this oil? Does anyone have a suggestion on what is the best to use in a newly rebuilt engine?
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One brand of oil we use regularly is the "Brad-Penn", if you choose their "break-in" oil for the initial starting you'll be fine, it is STILL an excellent oil!
Your builder will not be able to use it as any excuse for an issue!
Here's an excerpt from an outside tester:
"Is Brad Penn Oil the same as PennGrade?
"The results from all four tests prove the PennGrade 1 SAE 20W-50 High-Performance Oil is the same product today as the original Brad Penn product was more than 50 years ago — continuing to deliver the same proven performance customers have come to know and trust."
Thanks, Gary in N.Y.
P.S. We almost always use the "Brad-Penn" brand oil for initial break-ins, never an issue to date! If a customer doesn't want that brand we also use the "Lucas break-in" oil (pictured below). Most of these oils today do run about $8.00/$9.00 qt.