T O P I C R E V I E W
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SSF 50
Member # 7219
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posted
wats the difference between aluminum & steel underdrive pullies 4 the 5.0s?
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ajs91CHPcoupe
Member # 10217
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posted
i may be wrong but i think the only difference is the rotating mass (weight) its less weight for your motor to turn, like getting a lighter flywheel, etc. i doubt you get 1 hp extra if youre lucky.
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84SVOrick
Member # 9039
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posted
The alumn offers less rotational mass (weight) and size then steel. Steel offers less weight with the reduction in size. Alumn cost more. i used to have steel ford racing u/d and they were steel. Steel would b stronger.
I say go alumn, seems to offer more then steel
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SSF 50
Member # 7219
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posted
i have always used steel but jus came up on a set of aluminum 1s and always wondered the difference...of course i know weight but wasnt sure if there was a good & bad?
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ajs91CHPcoupe
Member # 10217
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posted
no difference really they both get the job done
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Sic Beast
Member # 6771
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posted
just weight and the color..lookz nicer..if your into the alum look! alwayz had alum and no problemz
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Duncan Motors
Member # 7045
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posted
ive had the aluminum wear out grooves in the pulleys, i dont think for a long haul i would use the aluminum . the steel would last longer.
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Blind
Member # 3052
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posted
quote: Originally posted by Duncan Motors: ive had the aluminum wear out grooves in the pulleys, i dont think for a long haul i would use the aluminum . the steel would last longer.
+1 my aluminum waterpump underdrive pulley has really badly worn grooves in it from the belt, not all belt setups run the grooved side on the waterpump pulley but just something to think about, I was running no a/c or p/s at the time.
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