notice how noone posted anything ... because no one has the balls to say gsr is way better than h22 , whoops , just drop a gsr in it if u have a rex ,u cant get the same amount of power out both and gsr is a much less complicated swap, yet right outta the box u have more power with the h22 tho but im not sure on the weight distribution, it would be weird for the car(ie big block honda in a small ass chassis) but its your call i just love the b series.