Eviloliv3 stated: you cant just take flywheel vs flywheel hp. to work with a B20 in an integra, you might want to make use of a LS manifold and exhaust, which flows much better than the stock B20, for that reason offering extra electric power. a stock b16 can make all-around lower 140s hp with scarcely in excess of 100 ft lbs.Regretably, ‘there�