89 gt bone stock engine with h pipe, the goal is 450 -500 hp but i want room to grow maybe dart block later ???? anyway thinking about hellion or hp kit ,aeromotive fuel kit 255 pump, rails, return lines, etc.. bigger throttle body 75mm, 75mm maf, 1.6 roller rockers, tfs heads, tfs or systamax intake. what am i forgetting ?



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well if the goal for now is 450-500 you dont need heads, intake or any of that aeromotive stuff. a turbo on a stock motor will get you to your hp goal. when you buy the dart block, then buy the fuel system and h/c/i the 255 fuel pump is a must for now tho.

and your forgetting, upgraded tranny, upgraded rear end, suspension, and dyno tune