Originally Posted by karmatose
From everything I read, if your M20 was properly maintained, 250K KMs means it's just broken in. Freshen it up though and you'll be fine for another 250K.
I've removed my A/C. It worked apparently, but I wanted the space for IC piping. Also, A/C doesn't make you go faster.
my m20b25 is at 254k with comp. test 155-160 across the board.
head is a different story however...
ideally I would like to keep my A/C but i'm pigheaded and stubborn..I have a vert...no A/C required but I still want to keep it lol