Eviloliv3 mentioned: you cant just take flywheel vs flywheel hp. to make use of a B20 in an integra, you should use a LS manifold and exhaust, which flows a lot better than the inventory B20, as a result supplying additional power. a stock b16 will make around lower 140s hp with scarcely above a hundred ft lbs.Overall, the Honda B16A3 engine is an