Eviloliv3 reported: you cant just take flywheel vs flywheel hp. to use a B20 within an integra, you must utilize a LS manifold and exhaust, which flows much better than the stock B20, as a result giving additional ability. a stock b16 will make around very low 140s hp with scarcely more than 100 ft lbs.As Probably the most sought-after motors ever