On the way out to California it gave me 10-15 MPH higher top speed without going over 1250 degrees at the pyrometer.
I was a little bit disappointed, but when I got done with that 330 mile test drive I realized that I forgot to put the fuses in all but my smallest solenoid.
Once I got to California and my old home town the fuzz started pulling me over three times a day, so I was a bit too scared to do much in the way of testing.
On the way back I had some kind of wiring issue due to electrical connections laying in the bottom of a tool box full of water, so the pump didn't work real well.
And now Diesel is $5.00 a gallon, I am unemployed, and I owe the machine shop $1000 I don't have...
I had all three solenoids working for a couple days. I had everything opening by 15 PSI. It doesn't make that fast of a drop, but it seems to keep dropping temperatures for a long time. I can still go over 1250 easy, but I don't need to throttle back nearly as hard to keep it at 1250. Whereas before I could accelerate at half throttle at a sustained temperature, now I can accelerate at about 3/4's throttle.
But, I need to figure out a way to make sure I'm flowing any water at all. I don't have too much confidence in my little pump.
1990 D-250 Regular Cab: Tweaked injection pump, built transmission, a cataclysmic charlie foxtrot of electronics, the most intense street-ran water injection system in the country, and some more unique stuff.