AFC Live installed, very pleased so far

[windage]

I have been very interested in tampering with my P pump since I bought my first Cummins, a 1995 2nd gen 2500 4x4 3 years ago..changing fuel plate, messing with boost pressure just to get a little more out of the 160hp 47RH. I learned about the AFC Live unit from Power Driven Diesel and that seemed like the solution..bam they go on sale last week and I treated myself to a birthday present. It took me 3 hours start to finish to pull afc, modify it with the 'max travel kit', run the lines, reinstall afc and controller in cab. I am NOT looking for black smoke or burnouts...so my level of being pleased may not suit others...but I can tell a noticeable power increase, using time over measured distance with fueling turned up.
Since all their fueling products are on sale during March, I also ordered 5x12 sac injectors and 055 delivery valves. I have my front timing cover gasket/seal in hand, my new timing gear puller, so next on list is the KDP/ timing party and install the pyrometer /EGT guage sitting on the kitchen table. I have a 3rd gen 24v 1 ton dually that makes bigger power, is more modern and comfortable, but find that I jump in the old 12 valve most often because it is just plain fun! I paid $323 for the AFC live unit and I control the fueling from the cab..vs the cost of a fuel plate?... it was a no brainer..
As I am only 2 hours away from Firepunk Diesel, that is the direction I will go when transmission time comes..

 

[DVolk]

I'd like to do a fowl mod Some day on a 94 engine I have I'm curious how the set up will work .

 

[windage]

a few vids on the unit;
https://www.youtube.com/watch?v=NeYoZZMrFkQ
https://www.youtube.com/watch?v=z70FjCHY7WA https://www.youtube.com/watch?v=3d2gsRrtU5Y it is not new voodoo, but a simple and ingenious mastery of the existing features of the AFC on the p-pump..love mine..I considering this to be as important as fixing the KDP and changing oil ! it's that good

 

[GAmes]

Once the novelty has worn off how often do you think you will dink with the adjustment knob?

 

[windage]

good question, we all like new toys...seems like I can set to either my mood..(the novelty phase) or more usefully for the difference between towing my gooseneck or running bobtail in either aggressive city mode, or relaxed low EGT highway...I can increase fuel or cut fuel way down..nice thing it is easy and quick to do..but as I have only been running it now a little over a week, time will tell if I get lazy and forget all about the flexibility of the system..'fine print...I am relatively new to the Cummins bug, having owned this old 95 for 4 years, my '03 dually for 1 year..and a 4BT p-pump for a project I am working on for 2 years..so I am here to learn'

 

[GAmes]

Being able to "increase fuel or cut fuel way down" would be a lot more logical if you could increase and decrease timing at the same time. The only purpose I see in the AFC live is not having to dink with the AFC when you make permanent changes like bigger injectors, different turbo, etc. I don't see any practical reason to have one for a mildly built engine, and once the modifications and adjustments have been made for towing the AFC live is just an expensive ornament on the dash.

 

[windage]

Admittedly, I have a lot to learn about these 12v Cummins Games, ..my logic was; with fuel plate prices running from ebay $40 to high end at $170 and being locked in to a fueling profile..the AFC live at $323 was a bit more, but gives me more control over fueling, afc timing/pre-boost fuel and EGTs while I add things to my old 12 v..at worst I wasted $170, at best I retain flexibility as my build progresses. Am I missing something here? Thanks for your input!

 

[NIsaacs]

Don't mind Gary, his truck is for his hauling business. If a part or repair don't make or save him money, a part is not going on the truck

I have an Edge Juice w/CTS monitor on my '01, I would not go back. If I had a p-pump 12v I would probably have what you have. Enjoy the instant flexibility. Every time I wanna "dink" with my VE 12 valves I gotta do it the hard way and get all greasy

Nick

 

[GAmes]

Only you can decide if you wasted any money. With the interweb at your fingertips a different profile fuel plate can be ground from your stock plate. I gave away a TST #11 plate a couple months ago. I looked at the AFC live and determined that for an engine that has already been modded and tuned for my use and needs that having "increased fueling" at my fingertips wasn't anything I cared to mess with. If I need increased fueling while towing I just mash the pedal a little harder. If you will be doing modifications one at a time and have a goal then it might be a time saver. I'd love to hear back in a year or so how much you feel it is beneficial. I suggest you also invest in a timing kit and fab up a tool to rotate the p-pump for faster, easier timing changes. Joe Donnelly included a picture of one in the magazine quite a few years ago. This one is mine.

 

[windage]

I watched several vids on timing the p pump and went with this kit, again from Power Driven Diesel



https://powerdrivendiesel.com/product/power-driven-p-pump-timing-kit/ the method was understandable and straight forward..I would like to know how your device speeds up the process..any vids you know of to help me learn more about it? thanks!

 

[GAmes]

With it you don't have to go through the procedure of moving the p-pump to the desired setting with the gear installed, then popping the gear off, taking the engine to TDC, reinstalling the gear then checking the setting again. Frequently the pump will "jump" when you pop the gear off and you have to repeat the process, guessing how far it will jump. That sometimes takes two or three tries. With the tool you set the engine to TDC, pop the gear off, rotate the pump to the desired setting and reinstall the gear.

 

[Bob4x4]

Joe Donnelly also came up with a mod to tune on the fly.Allowing safe egts while towing with huge injectors.Anyone else remember this in cab adjustment?

 

[DonFitzwater]

With it you don't have to go through the procedure of moving the p-pump to the desired setting with the gear installed, then popping the gear off, taking the engine to TDC, reinstalling the gear then checking the setting again. Frequently the pump will "jump" when you pop the gear off and you have to repeat the process, guessing how far it will jump. That sometimes takes two or three tries. With the tool you set the engine to TDC, pop the gear off, rotate the pump to the desired setting and reinstall the gear.

Very cool. Thanks for sharing that Gary!

 

[DonFitzwater]

Joe Donnelly also came up with a mod to tune on the fly.Allowing safe egts while towing with huge injectors.Anyone else remember this in cab adjustment?

I don't remember that.....might have been before my "time" here at TDR. Maybe Joe will chime in later?

 

[GAmes]

I didn't look at the link from windage's post. The degree wheel is a different procedure than using a dial indicator. http://dodgeram.info/tsb/1994/18-10-94a.htm

Using the degree wheel requires a lot of faith that you know where the pump is set at before starting the procedure and faith that the pump won't jump when the gear is pulled off. From the times I've timed a pump, I have no faith the pump won't jump.

 

[Bob4x4]

I don't remember that.....might have been before my "time" here at TDR. Maybe Joe will chime in later?

He used an In cab valve to control the afc signal boost signal to limit the additional fuel

 

[1tuffram]

could you post the specs for making one of those pump timing tools?

Only you can decide if you wasted any money. With the interweb at your fingertips a different profile fuel plate can be ground from your stock plate. I gave away a TST #11 plate a couple months ago. I looked at the AFC live and determined that for an engine that has already been modded and tuned for my use and needs that having "increased fueling" at my fingertips wasn't anything I cared to mess with. If I need increased fueling while towing I just mash the pedal a little harder. If you will be doing modifications one at a time and have a goal then it might be a time saver. I'd love to hear back in a year or so how much you feel it is beneficial. I suggest you also invest in a timing kit and fab up a tool to rotate the p-pump for faster, easier timing changes. Joe Donnelly included a picture of one in the magazine quite a few years ago. This one is mine.View attachment 102103View attachment 102104

could you post the specs for making one of those pump timing tools?

 

[GAmes]

Do you mean the pump turning tool? It is a pump shaft nut with another, smaller nut welded to it I got out of my junk drawer. Thread the nut onto the pump shaft, tighten the bolt a bit, not real tight, then turn the shaft in either direction using one of the nuts. It doesn't have to be an authentic shaft nut, just one with the correct threads. I can't tell you what the pitch or size is.

 

[STeichert]

I have been debating getting an AFC live for a while now. Please keep us updated.