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Legendary Toyota Tuner Thinks the New Supra's Stock Crank Is Good for 1000 HP

Road & Track logo Road & Track 6 days ago Chris Perkins
a car parked on the side of a road: This teardown video reveals that the BMW B58 straight-six Toyota uses in the Supra is a strong engine. Crank up the boost, in that case.© Toyota This teardown video reveals that the BMW B58 straight-six Toyota uses in the Supra is a strong engine. Crank up the boost, in that case.

A big part of the Toyota Supra legend is the engine fitted to the MkIV—the 2JZ 3.0-liter straight-six. In standard naturally aspirated form, it made 220 hp and 210 lb-ft of torque, while the twin-turbo version made 320 hp and 315 lb-ft of torque. Good numbers for the day, but it's what the aftermarket did with the 2JZ that made it famous.

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It didn't take long for tuners to realize that the 2JZ was incredibly strong, and therefore, a perfect candidate for huge boost pressure. With a 2JZ, big, reliable power is easy. So the new Supra's BMW-sourced straight-six has a lot to live up to. It looks like it could be up to the task, too.

Engine builder Stephan Papadakis of Papadakis Racing just put up a teardown video of the new Supra six on his YouTube channel, and quickly becomes apparent that this is a strong engine. BMW's B58 might not have an ultra-sturdy cast-iron block like the 2JZ, instead using lighter aluminum, but there's a lot to like here. It's a smartly designed engine that doesn't seem too complicated for its own good.

Papadakis notes that the stock forged steel crankshaft should be good for 1000 hp. And that's what he's aiming for. If the B58 can reliably make this sort of power, then we can accept is as a worthy successor to the 2JZ. Papadakis will document the quest for four-digits on his YouTube channel. It should be a good watch, and in the meantime, enjoy this very thorough teardown of the B58.

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