1991 6CTA8.3 ugrades

[JJRSMP12]

I have a 6CTA8. 3 Cummins in a 1991 motorhome I just purchased. 240HP. Does anyone know a good source for performance upgrades?

 

[Joseph Donnelly]

You didn't say where you are, which injection pump, etc.

 

[JJRSMP12]

I am from Ohio. I will check my manual tonight. Thanks

 

[JJRSMP12]

Found the fuel pump type

Joseph,

The Bosch fuel pump on the engine is a PES6MW.

I have the original Cummins service manual for the engine.

The original owner kept everything. It is backed by an Allison MT643 4spd transmission. I would like more HP if possible. Thanks for the help...

 

[JJRSMP12]

I have a picture of my AFC module on the earlier Bosch pump but it is not at an internet address and I am not sure how to insert it into this message. How large is the torque plate from TST? Is it the same size for the Dodge pump as well as the 8. 3L pumps? I talked with Mark Chappel yesterday and he said the torque plate should fit, but I want to make sure before ordering...

 

[Blakers]

Diesel Injection of Pittsburgh knows these engines well. They're nice people and can answer your questions.



They did the modification work on my Ram.



Blake