Quote Originally Posted by dbrincefield View Post
hey man i just finally got done doing a top swap on my car and as of now i have a successful top swap, speed daddy headers, 4" fenderwell intake, custom street tune, and a 3.4" pulley. with the right tune you'll be able to get a smaller pulley on there with no problems but make sure you get those headers on before you try to drop sizes!!!! and also i had fouled my spark plugs with ac delco 103's and i was told to go to platinum 104's and havent had any problem since!!!..enjoy it man...its a blast to finally have some boost!!...lol...oh and i did mine on an 03 Monte Carlo not a grand prix but basically the exact same minus body style!!
Yea i got the headers they are going on asap and I don't think im dropping pulleys yet so i dont throw more money into my car. Ill probably drop after a month or so of driving if i can get a deal on a MPS