Your gonna save about 20 horsepower just by ditching the Mech. fan. make sure you are installing the electric puller fan as close to the rad. as possible.(fan as close as 1/4 away for best results. If this doesn't work and you are sure the cooling system up to the job than using a fan from a 90-92 Olds silluette mini van is the cheapest way to increase cfm. Look for the 240 watt version. It will pull nearly 1800 cfm.
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