greetings,
I haven't ventured into the bio usage and alterations yet but its my understanding that its the methanol left in the solution from the removal of the ethers (de-esterification?) that attacks the rubber parts. I think the rubber hoses etc. have to be replaced with teflon or similar material. I'm sure the people who supply race cars that burn methanol will have the adequate substitutes.
cheers, mark
81 240d
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