LML Duramax CP3 Conversions How exactly do fuel lines on a CP3 Conversion Kit route? Apr 20, 2022 How exactly do fuel lines on a CP3 Conversion Kit route? Apr 20, 2022 So you just bought a LML Duramax, and you're curious if it has been CP3 Swapped, how can you tell? Mar 28, 2022 So you're doing a CP3 Conversion on your LML Duramax.. Mar 23, 2022 Follow us