Need info on 251 engine

[Phil Waterman]

Hi Michel

There is a lot of information on web about the need for or no need for zinc additives.

I've asked at the machine shop that has done my engine rebuilds, shop foreman there has something like 30 years experience. His comment was born out by much of the reading I've done, most of the problems he has seen seem to come with high RPM engines with high valve spring loading. In the next breath he said but it couldn't hurt to use a major name brand oil supplement. Which is what I have done.

There are various engines that have had camshaft wear problems, generally poor heat treating, I don't know if Dodge's fall in that group

I guess I would ask my self with the amount we drive MVs we end up changing the oil once at most twice a year, so $10 extra for good oil additive is probably good insurance.

Cheers Phil