John, I think part of our problem was the area the BM covers. We're
moving air over at best 60% of the radiator with the BM, which just
isn't enough. I think 2800 CFM could be enough air, moving across the
radiator, *provided* that it covered 80% or more of the radiator's area.
But yeah, bigger is still better if your electrical system can handle
the load.
John Neff wrote:
> The Flex-a-lite BM 150 moves 2800 CFM, but isn't enough for the 5.2 or 5.9L
> engines in stop and go traffic in the summer. If you want a serious electric
> fan, look at the fan out of the Lincoln Mk VIII. It moves 4000 CFM, draws
> 110 amps at start up, and will blow the Hayden fan control modules. Nominal
> load is 30 amps.
>
> John - saving up for another go at an electric fan
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