Quick Answer

Your Question What is the AFC on a 12v Cummins?

the star wheel controls pre-boost fuel. cranking that towards the engine allows mor fuel. sliding the AFC forward lets the gov arm travel more.

How do you adjust an AFC?

P Pump AFC Tuning Explained + Cheap Mods!

How much HP can a 12-valve handle?

Though it’s quite restrictive, the factory cast-iron 12-valve cylinder head will allow you to reach 500 hp, but that aged head gasket might not live at 35-45 psi of boost.

How does P pump AFC work?

By sliding the AFC housing forward (toward the front of the pump) and backing out the pre-boost screw (on the backside of the AFC housing), fueling can be brought in at a much lower rpm, the governor linkage is altered and the rack is adjusted forward.

Is AFC live worth?

AFC Live is a nice piece, and can save you some time tuning. But, if your budget is tight, it’s not really needed for most builds. One simple/cheap mod that has a similar effect, is to just add a boost elbow or boost control valve in place of the original air fitting on the AFC.

How do I get rid of AFC housing?

Take the AFC to a suitable working location (work bench). Remove AFC cover by removing (3) flat-standard screws and grinding a slot in (1) tamper- proof screw and then removing screw. Also grind a slot in the tamper-proof screw on the small pre-boost fuel cover and remove the cover.

Which way do you slide AFC housing?

sliding the AFC forward will add more fuel. If your truck is not blowing black smoke and you want more power … slide the AFC forward.

How do I turn up the gas in my AP pump?

Fuel plate modification p-pump Cummins

How do I tune my AP pump?

No More Rolling Coal: Tuning a P-pump AFC

How much boost can a 12v handle?

Yes, the rule of thumb is 40-50 psi of boost, but that’s more because of the increased drive pressures associated with more boost.

Why is the 12v Cummins so good?

What made the Cummins so popular was the fact that its peak power and torque was insanely usable—in fact, the redline is only at 3,000 RPM! The 12-valve was able to get respectable fuel economy while producing torque figures never-before seen in an ordinary pickup truck.

How much is a 12 valve Cummins Engine worth?

A shop skilled in Cummins swaps will charge around $12,000 to $15,000 to take a 12-valve version with the 5R110.

How does AFC live work?

AFC LIVE is an in-cab fuel tuner developer for p-pumped trucks. It works by connecting it in-line between the engine (the boost source) and the AFC (which controls your fueling). The valving inside the AFC LIVE tuner allows you to modulate the air signal for smoke control, EGT control, and overall horsepower control.

How do you use the AFC live?

Control Diesel Engine Smoke and EGT with AFC LIVE

How do you set the timing on a 12 valve Cummins?

Power Driven Diesel Timing Kit Instructions

How much power does AFC Live add?

With AFC LIVE, we were able to push the truck a little higher than stock. We got max power with AFC LIVE up to 337hp (almost exactly double), and torque reached 932lbs! You also may have noticed that the AFC LIVE was a lot faster than the first run. Both took the dyno drum from 1,300 to 2,400rpm.

What will 4k governor springs do for my 12v Cummins?

The Industrial Injection 4000 Governor Spring Kit is by far the best modification you will ever do to your 12 valve Cummins engine. The factory governor generally will slowly start to defuel the engine around 2300-2400 rpm and drastically decrease performance and pulling power.

What is an attitude adjuster?

A club that can be used to make people comply, often a police officer’s baton. Although the officer threatened to use his attitude-adjuster, the group of teens didn’t seem remotely scared.

How do I increase the horsepower on my 12 valve Cummins?

Double The Horsepower of Your 12 Valve Cummins | Power Driven Diesel

How reliable is a 12v Cummins?

The Cummins 12v/6BT is widely regarded as the best and most reliable diesel engine ever produced. These engines are extremely simplistic, operating with mostly mechanical components rather than complicated electronic ones. The simplicity allows for massive power potential in conjunction with ultimate reliability.

Can you put a tuner on a 12 valve Cummins?

cummins engines from 98.5 to present are the only ones you can do electronic tuning to.:S: 99 2500 RCLB s362/s475 with supporting mods.

How do I adjust my AP pump 12 valve?

Turning Up our Cummins P Pump!!!!

How do you turn up a diesel injection pump?

How to Turn Up the Fuel on a 7.3 Injector Pump

  1. Disconnect the battery from the engine.
  2. Locate the injection pump at the front of the engine.
  3. Align the engine so the adjustment screw can be accessed.
  4. Insert an Allen head wrench into the top of the adjustment screw and turn the screw one quarter turn clockwise.

What does a fuel plate do?

Cam plates, or fuel plates, are an effective method to increase fueling to your 12 valve in order to improve the overall performance by controlling the rack travel of the pump itself. Different cam plates on various pumps will delivery varying horsepower levels.

What is AP pump?

It is a injector pump off of the 1994-1998 Dodge Cummins. The big thing about these pumps is that they can support a lot of horsepower, they are incredibly reliable, and they are completely mechanical.

What P pump is best?

The general consensus is the 180 hp pump is the best of the P-Pumps for high hp goals. The 160 and 175hp pumps can not move as much fuel as easily as the 180 or 215 pumps. When you start looking at school bus and other applications of injection pumps knowledge goes downhill on what to do with them for upgrades.

How do you turn on the star wheel on a Cummins?

Registered. top of the star wheel goes toward the engine, so counter clockwise if your standing in front of the truck.