Do you have the 2 filler panels in place that go between the bumper support and top of the radiatior support? Also, there is a panel available to close off the area between the valance and the bottom of the radiator support as well. These items were originally available for 400 and a/c cars. They will force more air thru the radiator instead of going around it.
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68 Firebird, trying a q-jet now. 434/10.5:1/997's/240-242 HFT/4L80E/2800 Yank/3.42's/ Vintage Air/ 13.0 @105 mph
70 Lemans, 350/350, A/C, mostly stock
14 Ram CC, 5.7 Hemi, 8-speed, 3.92 lsd
97 Trans Am, HPP Aug 2012 http://www.highperformancepontiac.co...tiac_trans_am/ ***Sold***
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