Quote:
Originally Posted by benhogan
two separate dipstick drops on a clean white paper towel would be sufficient.
compare the 'spread' of the oil from your engine with the 'spread' from new oil. The spread should be similar. It the oil has water, it should be pretty evident.
keep in mind that the temperature of the oil should be the same so leave the new oil container outside overnight.
not scientific but more ballpark. sufficient for your purpose I think.
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Better still, I have a "control car"....I can compare oil from my 91 300D to oil from my 92 300D.
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 154k miles
06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 142k mi, wastegate conversion, ALDA delete
19 Honda CR-V EX 61k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife
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