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Yep! I’ve got a higher pressure/volume pump in the build, it was designed that way. We could’ve gone with an even higher pressure pump but then it would be extreme pressure at cold with 100+psi and it’s just wasted resources plus harder on the bearings.

With the previous oil (5w40) I was at 27 psi at idle (200F). With the current oil (10w40), I’m closer to 25 psi in the same conditions. At 1,500 rpm on the highway, I was at roughly 40 psi (200F), now closer to 38 psi in the same conditions. It is still in the anticipated range for this...

A quick update on that one. I did an oil change from the Driven Racing 5w40 to Mobil 1 High Mileage 10w40. I noticed a slight decrease in oil pressure when warm (about 2 psi). I talked to Driven Racing about it out of curiosity and they said it is common considering their blend to see higher...

This thread is a wealth of information, thank you all for contributing! At this point, a couple of elements are pretty clear: - mixing oil is fine on paper, although, without a proper rigorous testing methodology, there's no way to know if it does provide any benefit over using one specific...

You gave me some homework with the KV40/100/VI & cSt, I'm slowly starting to make sense of it but I still need to read more to fully grasp the implications and meaning of these values! Very insightful. I might be wrong but I think one of my builder's main focuses when it comes to the oil grade...

California. I think the colder I've seen where I live was in the 40F. A specific oil was used for the break-in (SAE 30). The blend is for everyday usage moving forward. The engine was built to be dual purpose (road & track) with reliability as the main goal. I haven't had a chance to talk with...

Hello everyone, My engine (LS7) recently went through a complete rebuild with forged internals and other goodies. The bearing clearances are higher than stock so it requires a thicker oil than what these engines when in stock configuration call for (5W30 per Chevy). Now, the builder of the...