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Lubricant viscosity causing knock? 700 1985

posted by  nocluetim on  Thu Nov 11 09:02 CST 2004
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I recently purchased a 1985 760 Turbo. The gent I bought it from recommended I use Mobil 1 synthetic 15w/50 due to the mileage being over 200K. I’ve been doing a lot of reading on the Brickboard and found many posts saying that viscosity is too "thick". When I start the car in the morning I hear a knock that gradually gets quieter after the engine warms up. Could this knock be contributed to the lubricant I’ve been using or is it something else? Should I consider using a “thinner” lubricant?

Thanks in advance,
Tim





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New Lubricant viscosity causing knock? [700][1985]
posted by  nocluetim  on Thu Nov 11 09:02 CST 2004 >


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