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Steve:
Thanks for the heads up on methanol. Do you know what the failure mode is with the Nickel coating? Having had several discussions with a Millennium engineer, the only issue that I know of with Nickasil is sulfur which chemically reacts with the nickel. Thus nickasil has not been used with diesels till recently due to the new low sulfur fuels.
I have seen the nickasil coating 'delaminate' (for lack of a better term... maybe lift?) from the surface due to a pin hole that allowed water to get underneath and react with the base aluminum forming an aluminum oxide layer that the lifted the nickel coating...
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1967 912 with centerlocks… 10 years and still in pieces!
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