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Old 02-26-2007, 03:00 AM
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regsatx regsatx is offline
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Is Anyone Running Mobil 1 0W40 in South Texas?

I have a 1988 560SL and am thinking of going with 0W40. Is it too thin for Texas summers? The car has had 20w50 dino it's whole life. No Leaks!
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