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  1. 91 efi 460

    Engine Tech
    I'm building my 91 efi 460 a d with how I'm building it, I expect it to make at least 500 ftlb at the crank with around 380 hp. I have a c6 tranny in it and I looked it up, the stock c6 transmission is rated to 475 and considering it has 320k miles on it, I'm a little worried it would destroy...