Thread: Will an upper grille block do squat?
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Old 12-22-2016, 02:11 PM   #10 (permalink)
aerohead
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upper block
When GM is serious about drag reduction they go with the upper block

So does Ford





NASCAR

This GM LSR pickup has a 100% block

You don't have any internal ductwork,and the distance between the heat exchanger and grille isn't large,so be careful.
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