My current setup is a 14" Spal Brushless fan being a pusher (stock corvette c7 fan), and two spal extreme performance puller fans (12").
Total amp draw between the 3 fans is 100-110 amps!!!
Re Wired the dual fans to run low/high speed using the pcm.
The brushless fan runs using a special sensor placed in the engine head and it starts at 25% speed at 195* and ramps up the fan speed as the temp goes up to 220*.
Didnt have enough time to test them, but so far without a/c truck will idle at 200* at 105* ambient using only the pusher fan (at approx 30% power). If I trigger the fan switch to high speed the temp will drop below that but I dont know how much.
This fan comes in a 17" setup which will be perfect for anyone wanted to do an efan conversion and use it as a puller. To fit my 14" infront of the condensor I had to trim some of the body and modify the rad support bracket.
My main issue was a/c. With the twin pullers I can idle at 185* all day but the second I switch the a/c I would watch temps creep up slowly up to 235* and thats when I start to panick and turn if off....
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