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Old 10-11-2013, 01:53 PM   #29 (permalink)
aardvarcus
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Join Date: Apr 2012
Location: Evensville, TN
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Deep Blue - '94 GMC Suburban K2500 SLE
90 day: 23.75 mpg (US)

Griffin (T4R) - '99 Toyota 4Runner SR5
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Thank you for your advice, unfortunately when I switched to my smaller tires it dropped the car back down 3/4”, and it would be too tight to still fit a 2+” opening and a radiused lip in within the remaining area without impacting my approach angles and ground clearance.

I updated my drawing, with my new plan of having my radiator intake at the very bottom of the grill opening, probably about 2.5-3” tall and 25” wide, so I will be close to the 1/6 “ideal” ratio. I picked up a flexible silicone baking mat, to actually form the seal between the front end “duct” and the radiator. I am still planning on using coroplast to make the duct, but I may reuse my aluminum front belly pan piece for the bottom, since I already have it made. (It is nowhere near exhaust….)
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aerohead (10-11-2013)