How wide is your radiator, and how much room do you have in front of the radiator...? A 14in max single is not going to be able to keep a SBC cool tho for a single you would need a 16in minimum for a single and a 18in would be better. Most fan applications for a SBC are dual 14in and move about 3000-4000 CFM.
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2005 Joe Gibbs Silverado # 0396
1988 Monte Carlo SS 5.3/T56 and too many mods.
2003 Honda 954RR