afc mod i cant find anthing about.
 

im new to the site and i cant seam to find this one little bit of info, i left the line to my afc off one day and it ran like it was stock. i was wondering if i could put a valve in it or would it hurt the afc. im looking for better fule millage but dont want to de-tune my pump. any help would be great. thanks

you can, thats exactly what a valet switch is.