Toyota Supra's (Aristo's) 2jz-gte engine is a very popular Toyota engine that can produce over 700 hp when modified with tuning parts and upgrades. It is a 3000 engine with inline 6 cylinder.
Nissan Skyline GT-R's RB26DET engine is a very popular Nissan engine that can produce over 600 horsepower when modified with tuning parts and upgrades. It is a 2600 engine with inline-6 cylinder.