Help for my supercharged 99 cobra

I am having a 99 procharaged ( air to air intercooled, 9 psi) cobra mildly rebuilt with .40 over/ forged pistons. This motor alway seemed to run rich and over time began an increased knocking (hence the rebuild). Can anyone point me down the right path for a programmer I can use to bring the air/fuel back to within reason. Something that wont break my bank I'm aready in deep enough already.
Thanks, Ray.

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I would stay away from .04 pistons since .03 is the safe max for Mod engines before sleeving. Also, to get your A/F right, you need a good dyno tune but a good handheld tuner using wide band readers wil get you close. SCT is a good tuner to use.

I used an SCT Excalibrator on my 02 lightning. My stupid ex-wife had Amazon tuning send a tune and it was spot on. If you do more mods they send you a new tune for free for the life of the vehicle. It costs a little more but is worth it to have a better tune than the canned tune. A bit of time at the dyno would be good too after you do all of that work on the engine and with the supercharger. I'd save up and be safe.

SNIPER ALL THE WAY! and no I dont sell them or have anything to do with them in any way!