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Exgie · 11-09-2014, 03:23 PM

Yes GL4 was better that GL5 oil for a whole host of reasons.

I do NOT use Mobil 1 any longer for a number or specific reasons.

11-09-2014, 03:23 PM	#4
Exgie Drives: Porsche 964 Join Date: Oct 2014 Location: Denver Colorado Posts: 21	Yes GL4 was better that GL5 oil for a whole host of reasons. I do NOT use Mobil 1 any longer for a number or specific reasons.