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Discussion Starter · #1 ·
I have never "hammered" on any of my engines until they reach full operating temperature which means at least 20 minutes of driving after reaching 195 degrees of coolant temperature.

The clearance of the main and rod bearings is less than .003" so I want my oil to be thin enough to easily pass through the bearings and get flung onto the camshaft.

And during that crucial 25 to 30 minute warm up time I keep my engine speed below 2500 rpm while all of the parts in the valve train normalize and the aluminum pistons and their rings expand to better fit their bores.

In other words I take very good care of my engines. The engine is the most expensive assembly of parts in any vehicle so it's very important to protect it.
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