Just curious, questions from a newb

[Photonfanatic]

Simply plopping in a much newer engine out of the junkyard would probably net you close to 10 mpg. Especially if you got one of those new 5.0's out of the new F150. They only get about 19 on a good day, but your truck is significantly lighter than all these luxury oriented elongated newer trucks. But then, they say, you can't really add HHO to newer engines very well. At least, not without some reprogramming of the computer. From what I've read, it tries to compensate for the detected hho by dumping more fuel lol. Thus destroying the gains.

I've also heard that you don't wanna run it long term unless you get forged pistons, and high grade stainless steel valves in the cylinder heads. Heard it can tear them up. Don't know if there is any truth to any of that though. But these engines were never designed with any other kind of stuff being injected into them, so I'd think its worth a look.

[Floor]

Seems reasonable to me, that steam would corrode valves, pistons and cylinders pretty quickly.  Definitely worth looking into that aspect, unless the engine is pretty well shot all ready. 

A DIY hho or water system has to be is a lot easier and less expensive than installing a used engine.

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