Toyota has built a ton of great engines. Enthusiasts evangelize the 4A-GE used in the AE86 Corolla and original MR2, the 1UZ V-8 found in so many trucks, and the tuner’s favorite, the Supra Turbo’s 2JZ-GTE straight-six. But one alphanumeric you don’t hear as often is 3S-GTE, despite the fact that it’s one of Toyota’s most successful racing engines. The 3S-GTE found a home in many great road cars too, and it’s one with a ton of tuning potential.
