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I have not. But it's not the compression ratio that's the concern. The 6.2/6.5L diesel engines have a 21:1 compression and they can run the methanol without complaint. It's the timing when the methanol is injected in the multifuel that is the issue.

The hypercycle process is the issue with running methanol in a multifuel. It begins the combustion process too early, igniting the methanol while the piston is still on the up stroke. The water is fine no issues there, but you must keep the methanol very low/none.