Ummmmm MM to inches...ahhh One inch equals 25.4MM...so if you can go from there, you're on your way...

(Use of a calculator is recommended!!!!)
No probs dude...if you need me...
willyoukillmeifisayplease@hotmail.com or
draken_nosgoth@yahoo.com.au
I dunno what you mean when you said "saved me a lot of box!"......buuuuuuuuut I'll take it as a good thing yes? ;P
Overhauls? I'd say talk to a mechanic and discuss budget, intentions for motor etc...and find what works for both parties....
Cheers
DRaKeN