Adjustable Fuel Regulator

[DropTopStang]

Im looking at getting an adjustable fuel regulator but I am kind of confused about the whole thing. I remember way back when (last year sometime) I asked this question and I had alot of responses, but seeing how I can't search old threads, I need help again lol. My main question is how will I use it to adjust the timing? what does adjusting the regulator do, adjust the air/fuel ratio? Also, I am planning on getting a tune real soon so will getting a fuel regulator really matter? Thanks for any help

[GerRrg281]

i posted in the other room....i usually never look in this room for some reason :dunno:

[CHILL5.0]

adjusting the fuel pressure regulator will either lean your air fuel mixture or richin it up depending on what way you turn it... I don't know what you mean about the timing but if you are getting it tuned than a regulator is good because they can play with it and adjust it