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Author
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Topic: difference between aluminum & steel underdrive pullies
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SSF 50
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Member # 7219
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posted
 
 
wats the difference between aluminum & steel underdrive pullies 4 the 5.0s?
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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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Sydewayz_Stan
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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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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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84SVOrick
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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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Bay Area Stunnaz
RIP Jeannera "FOXY302"
10/29/87-10/9/10
1984 SVO 302 HCI a basic bitch
1986 GT FOXY302 stolen and totaled R.I.P.
Posts: 1928 | From: Vallejo CA | Registered: Mar 2009
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SSF 50
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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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Never Ending List of 50z!!
"BAY AREA STUNNAZ"
Dude that 5.0 is not a 5.0 no way bro. It has to have a diff motor.
Posts: 2458 | From: SSF | Registered: Nov 2006
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Sydewayz_Stan
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Member # 10217
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posted
no difference really they both get the job done ![[burnout]](graemlins/burnout.gif)
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-90 Vert-SOLD
-91 Notch-SOLD
-2000 Explorer 5.0-SOLD
-72 Maverick-SOLD
-2004 GT, vortech V2 si, 10 psi-
-2002 F150 supercrew-
Posts: 3432 | From: 707 vallejo/richmond 510 | Registered: Aug 2010
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FordRyderz510
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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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Ford Ryderz -Est. 2003
88' GT
96' GT
97' Saleen #17
94' GT-Sold
Posts: 1894 | From: Hayward | Registered: May 2006
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Duncan Motors
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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.
Posts: 6310 | From: Vallejo | Registered: Sep 2006
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Blind
2.3L
CAFords OG
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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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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