Mobil 1 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 02-18-2006, 04:35 PM   #1
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In my 1993 SSE, 140k miles, what woul i need to look into replacing or adjusting in order to upgrade to Mobil 1 Syn ? I know it has crazy detergents, but this one has been ran on valvoline 10W40 for High Mileage cars for at least 1 1/2 years, and its very clean, however, since im going to replace LIM gaskets and the */C, What else should i do in order to prevent the oil leaks ? Right now, car is dry as a bone, no leaks whatsoever.
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Old 02-18-2006, 04:58 PM   #2
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Not sure what you should do...

Only thing I will reccomend is replacing the Valve cover gaskets... they like to leak when they get up there in age... For $13 if memory serves you can get the valve cover gaskets...

I have gone to synthetic in my cars and have never had a single problem... Both of my engine are very very clean on the inside...

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