Personally, I'd look for the panel regarless of what clip you have under it. Together with the inner fenders and upper radiator pan the lower pan works like a funnel to get air directed into the radiator and every bit of cooling helps.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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