Toyota’s 2JZ engine is an unbelievable feat of engineering. Bought in a slew of automobiles within the Nineties and Aughts—together with the legendary Mk. 4 Supra—it is gained a repute of being essentially the most sturdy inner combustion engine ever constructed. The venerable straight-six is able to holding enormous energy numbers with the suitable mods, and, as this teardown video exhibits, can go for a whole bunch of hundreds of worry-free miles with simply primary upkeep. 

The I Do Automobiles YouTube channel received its palms on a operating 2JZ engine out of a Lexus GS300 with an unbelievable 415,000 miles on the odometer. Curious to see what this engine may appear to be after so many miles, the channel’s host, Eric, determined to take it aside. 

Shocking nobody, the within of this 2JZ is in shockingly good condition, all issues thought-about. Whereas no motor will be good after 400,000 miles, the pinnacle and camshafts present solely minor put on and restricted varnish staining. Most engines appear to be this after simply 100,000 miles, even with good upkeep information. 

Going deeper into the engine reveals extra of the identical. The cylinders nonetheless present most of their unique cross-hashing, with solely minor scoring in a few sections. Not good, however after 400,000 miles, we might say that is a win. And except for some sludge within the oil pan and regular bearing put on, the underside finish is in any other case wholesome.

When you, for some purpose, had any doubt concerning the 2JZ’s repute for bulletproof reliability, we hope this teardown convinces you in any other case.