Overheating Problems

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  • brad hibbard
    Senior Member
    • Oct 2007
    • 974
    #31
    all of our 2 blade fans are balanced by us------we check and adjust our 4 blade fans when we put them with an engine package

    we remove material from the heavy side rather than adding with a rivet and washer

    Brad
    Race-1 | Circle Track Racing Engines & Performance Parts
    https://www.race-1.com
    Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!
    Last edited by brad hibbard; 09-23-2015, 07:35 PM. Reason: spelling

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      • 25drtrkr
        Senior Member
        • May 2015
        • 856
        #32
        Originally posted by stock car driver View Post
        Balanced? That's a new one..

        They are all star fans with 2 cut off.

        Even the gm fan which is advertised as balanced is NOT balanced, if you order 10 of them they all have the same weight in the same place riveted on....
        Steve posted that in an article awhile back. If they're not, you can take it up with him.
        Lions don't worry about the opinions of sheep.

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          • stock car driver
            Senior Member
            • Jul 2007
            • 3233
            #33
            I dont care either way.

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              • hughesracing9
                Senior Member
                • Nov 2007
                • 127
                #34
                Its less about pulling MORE air with a two blade compared to a 4 blade, but pulling close if not equal amounts of air with less drag using less blades. But me personally thinks 2 blades pull more. Only "X" amount of air can be pulled by the fan. If you take 2 blades away, thats less air being occupied by the extra blades to allow more air to be available. Im sure there is some science literature with it, but Ive run my car with a gm 4 blade and a 2 blade I got from Race 1. I have trouble getting over 200 ECT using the same motor and cooling system as last year using the 2 blade with a increase, although slight, on a dyno.
                I love the 2 blades, but i do feel it is a simple conversion for anyone to do with a GM 4 blader, but thats just me. I already have a 2 blade, that i guess is balanced, and dont think i will need to buy a new one for a while
                Last edited by hughesracing9; 09-26-2015, 02:13 PM.

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