gsr engines are around 4500 to 5000 type r a little more h22 prelude motor is roughly 3500 4000 b16s not to sure but there getting in the 2500 3000 range these days and clibing as they stoppede making it and there not a dime a dozen any more gsr and type r will always be rare, gsr ebing the motor with the most potential out of these, then theres an ls v tecg which uses a b18 bottom end with a b16 head and pistons,theres a conversion using a h23 bottom end and a h22prelude head and pistons,theres a conversion using a b20 bottom end with an sir head and pistons b20 is a crv block, using stock crv pistons make 8 to 1 compression good for a turbo car. my freind buils these motors as a side job . good luck let em know if you need some more info.
