well, "if it ain't broke, don't fix it"!! I like synthetic, but if your car is running fine, stick with what ya got! Why not! If you take care of it, and change your oil when you have to, you'll have 167,000 miles too! Good luck!
------------------
Joe!
1988 GT, 167,000 miles!!! 13.71@105mph Check out my listing!
Click here! Or my website:
www.joe4speed.com
1999 Ninja ZX-6R 10.32@135mph!
1993 Olds Eighty Eight LSS