[wildcat077]

Dave,

Best advice i could give you is to buy a Bentley manual for your particular car and read it over a few times before you attempt any servicing ...
You have to be careful because parts are expensive.

There is a lot to learn about a Porsche car,eventually you will enjoy working on it yourself.
As far as oil goes,i would go with a good 20W50 oil,do a search,there are endless posts on the subject !!!

Cheers!
Phil