Quote Originally Posted by japan4racing
if you bore out a 81mm stock b18 sleeve to 84mm it would not last. the sleeves are not any thinner than reliability allows. the sleeves on a b20 are just as thick as the sleeves on a b18...its not a b18 block bored out contrary to mis-informed ppls beliefs. they are 2 totally different blocks
i never said that it was an overbored b series, i said it was 3mm bigger than the regular b series. thats why i said it wouldnt matter