Originally Posted by BForbes
HOLY CRAP MAN!! Just a tune?!?!
440-450 crank HP on 93 octane with just a tune, correct.
So they left 28-38HP on the table (20-22HP of that is lost going from 93-91 octane) allowing for dyno variance, etc. This was on a Cartec/MAHA with real fans btw.