Im working on Installing a tsp Chopacabra 214/222 .550/.550 108 LSA in a 08 grand prix. Wondering if anyone had tuned one and would share the file for reference purposes. Never messed with anything FWD or that was not a heavy 4wd truck/suv. I'm sure being lighter that I will be able to put a little more timing into it. Planning to dd the car with a 3200 stall. Bought valve springs to go with the combo. Ls4 aluminum block 243 headed original afm motor. If anyone can lend any positive advice I would love to hear it.