There's a level of interchangeability on later models, but the MC16 needs an MC16 oil pump as far as I know. You may be able to get away with a Mk1 MC18R2J pump, but you'll have to source one and let us know how you get on!
_________________
Andy.
NSR-WORLD.COM
Please keep all responses to Forum posts on the Forum so that others may benefit.
Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.
Check us out on Facebook! Please "like" our page!