I would get an oil specifically engineered for hi mile cars. Get something like Valvoline Max Life, they have additives to help keep seals and gaskets from failing. Straight synthetic is awesome, but will not help seals and gaskets that are already failing.
just get yourself a regular oil made for high mileage cars..no synthetics, purples, etc. mobile sells one and a few others. you can get it at wal-mart.
I use Mobil 1 Synthetic oil for mine. It's a good brand name oil and never gave my car any problems. Royal Purple is also good. You can't go wrong with either. I drive a Nissan Altima 2002 3.5 se if that matters. It is currently at 145,000 miles
BIG TIMBER IS BIGTIME RIGHT!
If you think it leaks bad now, wait until you put pure synthetic oil in it.
I have a 2000 civic with about 191000 miles on it , I was planning on getting royal purple for it but I wondering if that's good for it also I've just added Lucas oil stop leak cause it was leaking a little oil everytime we turned the car off