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Originally Posted by weishaupt1776
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Weiss:
The key is coat engine internals: pistons, combustion chambers, valve ports with the likes of ceramic, or thermal barrier coatings to safeguard the block from rust or the heat generated by the hydrogen. Replacing the valves and the pistons with stainless steel is preferred to coating them. But coating the combustion chamber is a must unless you wish for the engine to seize from rust from using straight hydrogen (high temps, lots of water).
Ideally, a car whose ECU you could modify would be a good choice. At this time, I'd say that fuel injected cars arent the ideal candidates for hydrogen only fuel systems.