Oh also, I know I've been doing nothing but derailing Gaurd's thread, but for what it's worth, I'm really considering trying the platinum. I have quaker state full synthetic, which is also made by shell, ready to go in the next oil change. After that I might grab some pennzoil.
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2002 GT 5sp. 16x,xxx miles
Steeda Exhaust, C&L plenum, BBK Throttle Body, Steeda Underdrive, Steeda short throw, unknown stage clutch. Rear main leak. Compressor seal leak. Steeda lower control arms. good tires.