Quote:
Originally Posted by Shimpy
It was quieter because of better insulation added, not FI. FI is only a different way to get gas to the cylinder.
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It was noticeably quieter once we began using Ethanol free versus regular gas which we used for the first three fill ups or so. We were even considering taking it in for a pinging/knocking noise which was hard to pinpoint. Nothing to do with insulation.