Quote:
Originally Posted by aardvarcus
My understanding is the prechamber orifice size, shape, and orientation would need specifically designed for the combustion chamber it is mated to. All attempts I am aware of on the 6.5L engine to modify the prechamber orifices has led to worse performance.
The prechambers are usually made of exotic materials (e.g. inconel) so welding one on there may be more difficult than it sounds.
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Yes on the first part, but I think it can be guesstimated. MPFI engines from the last 2 decades are pentroof shape chamber with spark plug slightly offset to the exhaust side, and a flat piston top. The central jet could be eliminated to reduce risk of overheating a spot on the piston, and the jets can be aimed towards the ends of the "pentroof" since that's where most of the fuel/air is furthest from the plug.
You're right about the material, now that I think of it, stainless steel might not cut it. The jets would need ceramic insulation since the temperature is definitely hot enough to slowly melt away the material.
It would be a lot easier to ask Prometheus AT to make some car sized plugs instead haha.