Originally posted by todras: ...my 10cents worth! .........the logic behind testing a used trans oil sample is not my way of thinking.My logic dictates that if I wanted to try a 'Brand X' lube I would carry out checks before I put it in the trans.The baseline spec is the Ford WSD-M2C200-C for both life,performance,component wear,shift speeds etc already exists.I think we can take it as a given that the Motorcraft lube(made by Castrol) has meet the test specs.I'd be more inclined ,in the absence of a 'Brand X' lube without the Ford spec/test results,to do a chem/lab analysis and at least check if the 'numbers' were even close...which I did.I can't subscribe to a test proceedure that just puts a Brand X lube in the trans then does the analysis on a failed trans lube.Maybe you think it's backwards but with some 'known' info Re Ford test spec,lab tests why would you put anything that doesn't match/come close to those results in,it's the obvious 'start point',why ignore it??
Following this line of thought would be like saying that the only engine oil that will work in a Ford is Motorcraft. Now Motorcraft provides excellent engine oils, but there are a lot of other blenders that also make excellent engine oils that work great in Fords, and not all of them meet the Ford WSS-MWC153-G spec that is listed in my owner's manual.
Jim Johnson
98 SVT
03 Escape Limited
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