Originally Posted by JHM2K
In that case, you'll be doing the N/A 550 motor... the Merc 500 is only good for 302 HP in stock form.
Are you going to try to keep the stick?
I will be using the 5,461cc 5.5L V8 making 382HP/391ft. lbs in stock form. Brain fart.
I would not drive an automatic.