89'-90' 5.0 with AOD guys check this out!
 

Need a hypertech computer chip? There is one going for dirt cheap on EBAY right now. It is item number 545900511. Just search for that number and you will find it. The part number is 690011. It will fit your car if your calibration code in your door jam reads 9-22A-R00. Hurry up, it ends in 15 hours!!!!