With Mehanol ( assuming you are doing it correctly and running a ton of com with normal ignition ) the latent heat of the fuel means water temp
has way less effect.
As far as the head s concerned there are two conflicting needs.
First is to cool the squishband, and thus the boundary layer and thus the piston edge.
Second is the bowl should be hot - as with any temp differential the hot will travel to the cool and in this case a cold bowl is pulling out combustion heat
that should be expanding the gas and making power.
You can ceramic coat the bowl only, and the piston non squish area.
Or polish the bowl and piston to reflect the radiated heat.
Keeping the squish cold, and ceramic coating the bowl works well.
But as I said, a Meth motor is a different animal as running it WAY rich looses no power at all.
Ive got a thing thats unique and new.To prove it I'll have the last laugh on you.Cause instead of one head I got two.And you know two heads are better than one.
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