In this video we teardown a VQ37 Nissan / Infiniti engine to see what's inside and how it works! We also examine what makes this engine so legendary as Nissan will never build a naturally aspirated V6 engine like this ever again! The VQ37VHR engine is a 3.7L V6 engine, typically found in Infiniti G37, EX37, FX37, M37 and Nissan 370Z cars. It features variable valve timing with variable valve lift (VVL) on the intake camshaft, amongst many other upgrades that make this engine a very strong, reliable and capable engine.
Thus there is a strong following for this engine since its the strongest of all Nissan V6 engines, including a one piece cast aluminum bottom craddle that houses all the main bearings, in addition to forged internals and a timing chain setup. In this video we go through the inner workings of this engine by tearing it down to the bare engine block and cover how the variable valve lift system works in addition to the oil lubrication system.
This engine came out of a 2009 Infiniti G37 that had rod knock due to a spun connecting rod bearings. Oil consumption and leaky oil galley gaskets that can starve critical engine components of oil are a weak spot on these motors.
A VQ35 engine teardown video can be found here:
Skip to section in the video:
0:00 Introduction
1:05 Teardown
15:04 Analysis
18:12 How Variable Valve Lift Works
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