I pulled the heads on my 5.0 today due to a bent valve and brought them to my friends dads shop. He told me that just by the way the heads look thats my car was running extremely rich. Only air/fuel mods i have is fenderwell and ported e7s. Is there a way to set the computer to the stock setting or a way to manually tune it? I dont really have the $ to get it tuned at coastal or i would