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290hp 289buildup
I read that the stock 5 blade fan is not a good idea for a performance buildup. Even had problems at higher rpm
i'm only going to see 6000. Which fan is lightweight but will really move air. I live in TX and the car has a/c, and bored 40 over... need max coling...
Any help appreciated
 

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I have a Flex-a-Lite 17' in a '70 Mav. with the factory 3-row radiator and factory shroud. Works well. Stay away from the Permacool fans. Mine runs about 30 degrees hotter with that one. Also I've been using Watter Wetter for a few years with great results - drops temp avg of 20 degrees. It's best to use it with straight water. Check out redlineoil.com for some good tech info. Also check out stewartcomponents.com for more tech info on water pumps, t-stats and more.
 

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Do you have a clutch fan on there?

Those dont rob that much power.
 
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