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FFR Master Builder
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4,170 Posts
Discussion Starter · #1 ·
i am running a stock 5.0 EFI and i am putting on 1) 70mm mass air meter
2) powerdyne supercharger
3) 30lb injectors

i am not changing heads or intake manifold so my question is
is it worth changing the stock throttle body to a 65mm throttle body or just leave the stock throttle body on there
 
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