so you are trying to tell me if i seen a 347 with a t67 making good power its not the same as the 351w...if thats the case what about the damn 1st gen lighting truck i told you about.it was a t67 and fucker made 600+ the lighting truck motor does not even have close to the shit i have done to my 351.small ass GT40 heads on the truck with stock gt40 and it still made over 600 so why the fuck wont mine?