[93SVTstang]

I'm almost positive that the stock tb is 65mm. I would do the gears and headers and an H or X pipe. You can probably go a little higher on the timing, i run mine around 18 usually. Ditch the computer when you get chance. With a few things, you should run 13s. Mine ran 14.0@100 with a bad clutch and not much done to it. Hope this helps.