you should. its basically making it fuel harder under max load

 

ok ill look into getting the plug thanks for the help

 

The mack plug works in all pumps even the 215

Photo of a stock unmodded foot
http://s388.photobucket.com/user/94_12valve/media/CIMG0030.jpg.html
Photo of a modded afc foot where I have marked is what you grind off
http://s388.photobucket.com/user/94_12valve/media/CIMG0041-1.jpg.html
Stock unmodded afc you can see the back of the barrel almost hits the housing
http://s388.photobucket.com/user/94_12valve/media/CIMG0038.jpg.html
modded foot, washers unfliped to show how much was taken off
http://s388.photobucket.com/user/94_12valve/media/CIMG0036.jpg.html
washers fliped with the modded afc foot this is what you want with the mack plug
http://s388.photobucket.com/user/94_12valve/media/CIMG0049.jpg.html
What the washer flip looks like when your done
http://s388.photobucket.com/user/94_12valve/media/CIMG0046.jpg.html

 

big help thanks