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You might need to ease up on your "low buck" fuel mod a touch to get the EGTs to drop. How many turns did you go?

Well then in that sense yes I would agree I have had defueling but at the time of my original reply it wasn't about the AFC but having the system defuel prior to reaching governed speed....Anyways back to everyone's studying and interpretations :-)

I see that 74M35A2 and 162tcat have pretty much summed it up. and just to clarify I take defueling to be a reduction of fuel PRIOR to the expected rev limit.

I have never had defueling

I did the 3k setup in mine and it's good to 2800rpm. https://www.youtube.com/watch?v=5L6X3jj8lBM

Who did you have do the work Dan?

The Pacbrake 4k GSK (gov spring kit) comes with multiple springs of different lengths and tension and I installed all of mine except for the very last one (the 4k spring) and as shown in the vid I posted earlier in this thread will limit my truck at 2800 rpm which I am happy with :-) As for...

Yes the Gov Springs are the Rev Limiter.

Yes it comes with the Instructions.

Ddmk18, What RPM are you hitting with the 4K springs in?

Yes the HP10029 GSK is the one to use with our MW pumps.

Well I have to say I am totally happy that I went with the Pakbrake 3-4k GSK # hp10029. I used just the 3k set of spring and set it exactly like they suggested (.040-.050) I ended up with .042 and .046 for my settings) and my idle is perfect and my RPM hits 2800 spot on! Here is a short vid of...

I'll look at the accel rod closer this coming weekend but it seemed like it had plenty of flex...as I'm putting in a Pacbrake GSK that I got ordered.

I tried to get it to drop but just didn't seem to ...I could get it to go up but not down unless I retuned the clicks back to stock...

Did mine this weekend.... Ended up with 3.5 turns on the top fuel screw and 3 clicks on the governor springs. Now idles at 850 which I don't care for so I'm probably either going to get a real GSK (3k rated) or do a washer shim mod I found some info on for the MW and P7100 pumps. But I do...

Thanks I'm planning on turning it up just a touch this coming weekend (1&1/2 full turns on the top screw and plan on going 2 clicks on the springs).

Getting ready to do the fueling mods...When doing the tightening of the governor springs how is everyone turning over the motor?