An m50nv stock is 189 out the box, s50/2 is only 240. I have a 92 m50nv, true cold air intake 3.5", hot-cammed, tubular headers, single straight pipe 2.5", p/s delete, a/c delete, fan delete, chip, lightly bored throttle body, matched intake port and tb port, 93oct, 0w30, rev limit 7.2k.
