bucking In-tank fuel pump

[mlambrecht82]

okay, I don't have an inline fuel pump. That is what I was planning on getting. Now where can I get this bosch 245? Is it just an inline fuel pump? $140 sounds a lot better than $400. I talked to the guys that sold me the kit today and he said that my bypass valve was screwy. That didn't seem right as it would show up on my boost gauge, and the fact that when I put a new pump in it worked great for a day. So I took the belt off my charger and am now running no boost, and it still bucks, so I know it isn't the bypass valve. (My god my car is slow, with no boost)
I do have a custom chip from diablo because procharger didn't have one out for my 02 stang yet. (I had to dish out an extra $400 for the custom chip that I wasn't to happy about) My A/F gauge says that my car is running extremely lean and it has never seen stoich. I called diablo on this and they said that my $50 gauge was wrong. But if my car is running lean then that would explain why I get detonation every now and then and my car isn't performing up to par. I need to get this thing dyno tuned, but the closest diablo tuner is 4 hrs away.
I'm hoping that I can slap on this bosch pump and get the bucking to stop for know and then later on (when finances persist) go down and get all the power squezed out of my 4.6.
Thanks a lot for your guys help, I don't know what I would do with out this board.
I think I am going to look in to getting this bosch pump for now unless someone thinks otherweis. Speak now or forever hold your peace.