[Fasterthanyou]

In all honesty, the 94-95 LT1 tunes are great if you've still got a cat on the car. If not, you can lean it out a tad and try a couple degrees of timing in the 3200-redline area's. Do NOT add timing to the part throttle stuff. Other than that, changing fan temps and a few other "tweaks" make it useful. Also, with a larger cam you want to add in more SA in the idle area, I have it down to a science but I hold those secrets close to my heart. In other words it's not free . I'll just give you hints and clues on what to try if you show the initiative which you are doing. Then take the car to the track and adjust the PE fueling till you're getting the best trap speeds and ET's, that's how you tune. I've got a generic Lt1 tune made up for stockers that'll add 10-15hp and still let you run on mid grade.