what' is the most hp i can expect out of a 1.8 liter engine when rebulding.......ok reasonably expect (Without turbocharger or a cam . Is around 150bhp attainable without a full blown nitrous eating turbocharged thing-a-ma-jig. i just want a litte more poop in my wifes 81 320i so she can get out of her own way on the freeway.......? thanks for any suggestions DCD