I own a 92 Integra GSR. I actually just rebuilt it 2 months ago. It is a b16 block with a slightly taller deck height i believe(may be wrong) uses a crank with a little more stroke than a b16 but uses shorter rods as well. Uses a pr3 head with b17 cams which are different than b16 cams. This engine also came with one of or maybe the shortest gear factory b-series transmission which was the YS1. The biggest downside to this motor in my opinion is the compression which is low(9:6-1) compared to all other vtec b-series motors. So one of the best ways to up the motor is to use p30 or pr3 pistons from the b16 since they snap right on the b17(p61)rods without modification or milling. There ya go homie.