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Reply to "Oils, cavitation and viscosity"

ALL Ford engines, including "High Performance" engines had basically a 6,000 rpm maximum intended rpm. Normal production vehicle use.

Go right down the list if you so choose.

In the case of Ford, I can think of the 289HP, Boss 302, Boss 351, 427, 428cj and scj, Boss 429. You may be able to think of more?

They were never sold to the public for use on public roads as "race engines".

In fact, hydraulic lifter engines had 5,500 rpm limitations. Some may think of this as design faults but what exactly is wrong with an engine doing exactly what it was designed to do in production?

Maybe the most famous of all, the 427 "side oiler" in one of the most famous RACE applications ever for it, LeMans 1966, was limited to a maximum of 6,000 rpm. In that race three Ford GT40 MkII's finished 1, 2, 3.

This discussion is all very subjective and all a matter of opinion but the reality, beyond opinion is that anything happening over those operating rpm's can't be considered a design fault. They were never intended to go over that.

The reality is that all of these engines operated very well in their intended usages.

If anyone finds fault with them and is disappointed, then look within. The issue is with you. Wink

If you want to make blanket or specific accusations of oil pump cavitation under the intended use, go right ahead. How you are going to make this case is beyond me. You can not prove something that does not exist.
Last edited by panteradoug
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