ITRCA

it is my first time in along time tio hit the tracks again. I usually run at low 14's high at best 13.9. but this time i changed my exhaust system added a msd coil, ignition amp 6AL, 2 step rev limiter and lighter 15" rims. And now I am at low 15's. what the hell is going on. any suggestions?

OK what stuff did you have? Now what stuff do you have?

Maybe you down graded by mistake??

And what kind of weather???

there is a lot of factors involved in drag racing.