Engine oil (for european cars)

[grahambehan]

Interesting opinion, what specific design parameters of the LT5 make it require high zinc and phosphorus.

graham

[Dynomite]

Originally Posted by grahambehan

Interesting opinion, what specific design parameters of the LT5 make it require high zinc and phosphorus.

graham

The design issues that come to mind are valve spring pressure (including variable spring load and variable Valve and Lifter inertial load) and all at up to 7,000+ engine RPM.

You have the "Theory".....I have the "Cams"......



Just being on the safe side given all the Expertise and Discussions regarding LT5 Engine Oil on this and other Forums