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I will go by where I ordered my button, see if I can get some numbers, I think I goggled fuel button to find what I was looking for as far as a button drop because it has been so long since I have been in a cummins ip. that I had to refresh my memory.

I ordered mine from a little local truck shop, I will have to see if I can find the invoice. The problem is that you have to find a OLD TIME PARTS GUY to order something like the buttons, ALL the parts guys now days want a p/n, the motor id, ip id, and build group in order to order anything, It...

The way it was explained to me was that more pressure did not equate to more fuel at the injector, what is needed is more fuel (volume) at the injectors, hence the button drop, after a certain point more pressure is needed to push the extra fuel but this is why above what the 250 can handle. I...

First THANK YOU for bringing this thread back up, I had forgotten all about it, It is one of my SITE peeves that members start a thread like this and NEVER share the results and here I am doing it, SORRY, will try not to let it happen again. It was real easy to change the button, I have been...

Stock rail pressure is 172-178, I have seen other discussions on dropping the button number a bit but no talk of changing injectors, still a thought, need Will Wagner to check in. Think dropping the button number a bit is better then drilling out the ball in the throttle shaft, and then...

Well since I did not get a response to my question, looks like I will need to install a PYRO. So with that said, 1---I guess I am looking for a 24V, 2" (to match dash gauges) digital read out, any suggestions 2---Where would I install the prob on a straight piped NON-turboed Cummins 250, It...

Down OPENS The fuel, going UP is MORE fuel restriction Has a 27 in now as the standard button, thinking of putting a 22, or maybe a 20, just worried about the EGTs if I dump to much fuel in.

Has anybody put a LOWER number fuel button in there NON-turboed 250, If you did, do you know What was your EGTS for a 5 or 10 number drop from stock, I have the IP out to fix a input shaft seal, so NOW is the time to change buttons if I'm going to do it,