Why do I need a box upper or a chopped truck upper? Will the extra flow kill my torque or will it not fit? How well would it work if I bolted my stock stang upper to the truck lower? And would it fit? Thanks for the reply.
Caymon
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'90 GT Under construction
Best E.T. = Fast @ High Speeds - OK So I Lie. So What!!!  
04 F-150 STX 4.2L 5 spd
Rice Haters Club Member #128
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