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ok, so you just made it to whereit goes to the end of the rheostat and no farther? becaust hten i guess it would be just dead in the water right?? what if you just hooked up a hotwire from a switch to the output and hooked it to a switch??? 12 volts instead of 6? would that work. i dunno, i guess i could get out the multimeter and see which wire comes from the rheostat and hook a wire up and see if the engine revs up... i guess it's worth a try. does anyone know of a way to increase governed speed of the engine to 4,000 instead of 3300??
I wouldn't try the 12Volt idea until you know exactly what voltage it works at, put 12 on the rheostat and you might fry it, 12 into the output to the pcm, same thing toasted pcm. I dont remember what wires where the input, output, and common for the rheostat, I had to play around with it on the table for a while.
Hold the tranny in 2nd and it will rev to 3500, then shift pop it into 3rd shifts REAL hard. At least thats what mine will do with the T/C mod, really snaps the neck back, pretty sweet. not good for a stock tranny though. But I too wanna know, what are some of these guys seeing for rpm's, anyone hit 4G's yet???
i know i can get the ol' i.d.i. to 4,100 in neutral floored. and i can hit a whopping 75 mph in 4th gear at 4,000 with the 4.10's. i sure am glad i got the 5 speed overdrive! but i know if the ol' idi with 340,000 miles and 4.10's can do it, that a powerstroke surely can handle it!
p.s. i had the pump guy do a little tweaking during the rebuild sure does run good. and it pulls hard all the way to 35-3600. i think it just runs out of air at that rpm. (lotsa smoke)