Originally Posted by
Civic2Scooby
the only thing you should do to a D series is pull it.
not true, the 400+ hp d-series crew would argue this!
. i know some guys who did the i/h/e and gained an average of 15 hp on their motors.
:bs: Post the dyno graphs to prove this or shut-up coz your a flat out lier! There would have to be more than that done to gain "average of 15hp".