Solving The VR38’s Deficiency
As we’ve push the limits of Nissan’s VR38 V-6 twin turbo engine we’ve been able to uncover some of its weak points. As part of our journey we found in big bore, stroker and high RPM engines, the oil pressure would drop at higher revolutions. After a lot of research and experimentation, we found that the air inside the motor would become turbulent enough to introduce bubbles into the oil. At higher RPMs, the bubbles would even reach the oil pump pickup. With the oil pump ingesting air, the oil pressure would plummet which could cause engine bearing damage over time. We tried many things to try to shield the oil from the turbulent air but eventually found that a deeper oil pan took care of the issue.
Improved Oiling Without The Heavy Expense
While converting to a dry sump oil system is the ultimate solution for reliable oiling, it’s astronomical cost and complexity quickly rule it out for most enthusiasts. To give you the protection you need without the heavy costs we now provide the next best solution.
Increased Oil Capacity Without Clearance Issues
When increasing the size of an oil pan clearance underneath the car becomes an issue. If the oil pan hangs too low speed bumps and road debris can damage the pan and cause a loss of oil and severe engine damage. Our 100% billet aluminum oil pan and pickup extension is deep enough to get below the aerated oil but no so deep to where it would hang below the subframe. No worries of the oil pan being damaged by hitting anything you may run over. The factory under tray inner-most layer is only slightly trimmed and the under tray reinstalled to keep the factory aero smooth and the oil pan protected*.
*It is easiest to install the oil pan with the engine out of the car. However it can be installed with the engine in the car by unbolting the motor mounts and raising the engine.
**2015 models require full triming of the undertray exposing the oil pan but it does NOT hang below the subframe.