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Old 09-18-2020, 12:05 PM
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HWYSTR455 HWYSTR455 is offline
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Join Date: Jan 2005
Location: Manassas, VA
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Yes, they are 2000cfm each, they are added together, and yes, it adds up.

Think of the hole in the shroud, if it were one single 12" fan & hole, moving 2000cfm, and you add another hole and fan, it will move 4000cfm across the core, through the shroud & fans.

The single fan you have with the shroud is just shy of 26x16, and the one(s) I posted were based on that size.

"This fan measures 26" wide x 16" high
Constructed of high-impact ABS material
Requires the use of a 70 amp or larger relay
Can be easily reduced in size to 23-5/8" wide x 15-1/4" high
It saves horsepower by lowering the engine operating temperature"

The one you have has an initial pulse of 60a, and if you run the low and high wires separately, you only need a pair of 30a relays, not 2 70a relays. The notes are incorrectly worded: (and misspellings)

"This fan has two speeds. It has two positive wires going to the motor, one is gray and one is white. If both recieve 12 volts, the fan will be on high speed. If only one recieves 12 volts, the fan will be on low speed. The black wire is ground.
These fans draw 60+ amps on initial startup and have an operating amperage draw of 16-22 amps. Due to the high amperage these fans pull on initial startup, we highly recommend using 70 amp fan relays 910-51000 or 910-50051."



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