jetboat

I have A 2004 Boice Jet boat 22' Kodiak Marine LQ4 or 9,Hamilton 212 Jet That at 235 Hours Ate #8 & #7 Pistons and rods with no Warning. So we get to do A rebuild I am Putting A Scat forge 408 stoker with H rods, 10.2 comp. The rest will be stock for now.Do I need A retune or stock tune be ok. I would like to her if there is more I should do in the bottom now?

Tainted

iTrader: (9)

Def gonna want a new tune

redtan

iTrader: (5)

Oh yeah, going from 364 cubes and low compression to 408 and higher compression is definitely going to need a tune. Especially since you're most likely going to need bigger injectors.