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Old 12-23-2014, 12:49 PM   #4 (permalink)
67-ls1
Eco Rodder
 
Join Date: Nov 2014
Location: Walnut Creek, CA
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No offense taken. Yeah I know, it sucks, but that what I have to work with, so...
Mine is a 66, so maybe slightly better as my grill is slightly less sloped.
I plan on blocking the entire grill area and taking air in from the center of an air dam I am going to add.
That was the purpose of my question. A "%" type answer does not really apply since I am going to block 100% of the original grill area and need to know what open area to add in the air dam.
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