[tyrod]

I have heard it is rather simple to do. Its a great truck if you have the time for it to get up to highway speeds. It pulls well it just doesnt gain speed well.

 

[aramtractor]

theirs a website that tells you how to turn the pump up. Can't remember where it was though.

 

[DBogo]

http://www.geocities.com/[email protected]/lowbukdieselperformance.html

there it is