I finaly got my mustang fired up after complete rebuild with many mods. Whie it runs, I had to set the idle up above 1K to make it idle at all. I can tell this thing wants to scoot but I still have the stock computer. I'm thinking I will just got to a tune shop and have a chip made. I know this will make the car run better but should I expect to feel a big difference in power? Roush 200 heads, E303 cam, Rollor rockers, Trickflow intack, 70mm TB, 73mm MAF, #24 injectors, Headers, X-Pipe, Cats
