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Rory McNeil · 11-13-2014, 02:30 PM

Not really sure how you would mount the factory gas tanks plastic cover, as it is sandwiched between the stock gas tank and the mounting straps. Without the stock gas tank, there would be nothing for the cover to be held in position with.
As for how much air would get trapped behind the rear bumper cover, I don`t know, but when I had my 85 Mustangs tank out, it sure looked like a big "parachute" to me. And the 87-93GT rear bumper cover hangs further down by a considerable amount.
I would really be suprised if NHRA Tech would allow any non factory paneling or other methods of trying to smooth out aerodynamic drag.

11-13-2014, 02:30 PM	#5
Rory McNeil VIP Member Join Date: Jun 2007 Location: from Vancouver BC Canada, now in Nova Scotia Posts: 1,311 Likes: 317 Liked 1,106 Times in 303 Posts	Re: Is this mod allowed ?????? Not really sure how you would mount the factory gas tanks plastic cover, as it is sandwiched between the stock gas tank and the mounting straps. Without the stock gas tank, there would be nothing for the cover to be held in position with. As for how much air would get trapped behind the rear bumper cover, I don`t know, but when I had my 85 Mustangs tank out, it sure looked like a big "parachute" to me. And the 87-93GT rear bumper cover hangs further down by a considerable amount. I would really be suprised if NHRA Tech would allow any non factory paneling or other methods of trying to smooth out aerodynamic drag. __________________ NHRA 6390 STK M/S 85 Mustang