I have yet to see how the motor will physically fit and attach to the engine. I just know there is plenty of room without a power steering pump and A/C compressor in there. I'm sure there are any number of different motors that would work. As for now, I'm planning on using what I have on hand. This might not work for others looking to do the same type of mod.
serialk11r brings up the interesting topic of cavitation. This leads me to something I've been trying to figure out without a ton of success. The real question is, how fast should we spin the pump? Obviously, its based off of many factors which only complicates things. Mostly, we want it to spin just fast enough to avoid is hot spots occuring and causing ignition problems. Sadly, the Tercel doesn't have a knock sensor, so I can't use that as an arduino input. I'm not sure how difficult or accurate it would be to add one though... Suggestions here are quite welcome as well.
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