Welcome to Mustang Evolution.
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01-06-2004, 12:31 AM
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#1
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underdrive pulley
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I break shit
Join Date: Jan 2004
City: Oak Creek, WI
State: Wisconsin
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Excuse my incompetence, but what in the hell is an underdrive pulley and what does it do?
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1988 Ford Mustang LX
306ci 5 speed
1990 Isuzu Pickup
2.3L 5 speed 
1990 Acura Integra
1.8 5 speed
All vehicles in color of text 
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01-06-2004, 12:49 PM
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#2
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Registered User
Join Date: Aug 2003
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1) do you really need to attach a pic of your car in every post? Just shrink it down and put it in your sig.
2) And underdrive pulley does just that, it underdrives your accessories by ~25%, so they spin slower and create less drag on your engine. This frees up ~8rwhp.
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1998 Subaru Legacy L Sedan
New Hottness 
1999 V6 5-speed
14.6 @ 95 w/ 2.22 60'
Wrecked 
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01-06-2004, 01:07 PM
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#3
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
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OK 232SCstang I cropped your pic.
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01-06-2004, 01:29 PM
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#4
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Shawty Wanna Thug
Join Date: May 2003
City: Huntsville
State: Alabama
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I put it in your sig for you 232scstang |
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01-06-2004, 01:32 PM
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#5
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
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wow team work!! TO BAD I DONT HAVE THAT ABILITY HUMMMMMM!!!!!!!!!!!
BRENT???????????????????????????
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01-06-2004, 02:46 PM
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#6
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I break shit
Join Date: Jan 2004
City: Oak Creek, WI
State: Wisconsin
Posts: 162
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ok thanks. Now if it underdrives my accessories, how will that affect important stuff like the alternator and my supercharger?
__________________
1988 Ford Mustang LX
306ci 5 speed
1990 Isuzu Pickup
2.3L 5 speed
1990 Acura Integra
1.8 5 speed
All vehicles in color of text
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01-06-2004, 02:55 PM
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#7
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
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It wont, with the MAC UDP I bought it came with a alt pulley to speed it up. Nothing will be effected. but if you have a supercharger you will loose some boost. I am not exactly sure how much.
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01-06-2004, 02:57 PM
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#8
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Registered User
Join Date: Aug 2003
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you shouldn't/cant use one with a supercharger.
You will lose a good amount of boost since your are spinning your blower pulley ~25% slower.
The 8hp you would get from it N/A would be overcome by the amount of boost you lose from it.
__________________
1998 Subaru Legacy L Sedan
New Hottness
1999 V6 5-speed
14.6 @ 95 w/ 2.22 60'
Wrecked
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01-06-2004, 02:59 PM
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#9
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
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You are right you should not use with a supercharger but nothing says you cant!!!
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01-06-2004, 05:08 PM
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#10
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I break shit
Join Date: Jan 2004
City: Oak Creek, WI
State: Wisconsin
Posts: 162
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ok thanks. I figured using a UDP with a blower isnt a good idea, but it couldnt hurt to ask.
__________________
1988 Ford Mustang LX
306ci 5 speed
1990 Isuzu Pickup
2.3L 5 speed
1990 Acura Integra
1.8 5 speed
All vehicles in color of text
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01-06-2004, 09:18 PM
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#11
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FormerMod
Join Date: May 2003
City: Riverside County, CA
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01-06-2004, 10:28 PM
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#12
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Needs turbo.
Join Date: Nov 2003
City: Mt. Juliet
State: Tennessee
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Unless you found a way to overdrive the supercharger. :-? |
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01-06-2004, 11:32 PM
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#13
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FormerMod
Join Date: May 2003
City: Riverside County, CA
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01-07-2004, 12:15 AM
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#14
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Registered User
Join Date: Aug 2003
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but to what extent? to merely gain back the boost you lost form using an UDP.
And the extra pull a supercharger puts on your belt system may take away that ~8hp as it is.
Your better off just upping the boost
__________________
1998 Subaru Legacy L Sedan
New Hottness
1999 V6 5-speed
14.6 @ 95 w/ 2.22 60'
Wrecked
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01-07-2004, 08:55 PM
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#15
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Needs turbo.
Join Date: Nov 2003
City: Mt. Juliet
State: Tennessee
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Thats why I think buying a supercharger under 10psi is a waste of money. |
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01-07-2004, 08:59 PM
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#16
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
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Nothing is a waste of money if you really think about it. We all pay what we think things are worth. If it is to high we dont buy it or keep shopping
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01-07-2004, 09:20 PM
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#17
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Needs turbo.
Join Date: Nov 2003
City: Mt. Juliet
State: Tennessee
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Also depends if its worth your time and energy. |
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01-07-2004, 10:13 PM
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#18
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I break shit
Join Date: Jan 2004
City: Oak Creek, WI
State: Wisconsin
Posts: 162
Thanks: 0
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yeah but the supercharger can be boosted up by changing pulleys. So it can have any psi I want it to
__________________
1988 Ford Mustang LX
306ci 5 speed
1990 Isuzu Pickup
2.3L 5 speed
1990 Acura Integra
1.8 5 speed
All vehicles in color of text
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01-08-2004, 12:59 AM
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#19
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Needs turbo.
Join Date: Nov 2003
City: Mt. Juliet
State: Tennessee
Posts: 5,093
Thanks: 0
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Show-off. |
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01-08-2004, 01:11 AM
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#20
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Race It Don't Rice It
Join Date: Jan 2004
City: Las Vegas, NV
State: Nevada
Posts: 130
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what do you want udp with a supercharger for anyways?
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Ryan
2002 red GT mustang
GO:Flows, BBK lowering springs, KYB struts & shocks, Mac straightshot CAI, SCT chip and tune, Accufab Plenum 70mm, Motive 4.10's
Show:18x10 & 18x9 Bullitt Deep Dish Chrome Wheel's
295/35/18 & 265/35/18 Michelin Pilot Sport PS2's
tinted windows, billet grill
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01-08-2004, 01:38 AM
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#21
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Race It Don't Rice It
Join Date: Jan 2004
City: Las Vegas, NV
State: Nevada
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where did you buy your supercharger at anyways? I'm looking to get one.
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Ryan
2002 red GT mustang
GO:Flows, BBK lowering springs, KYB struts & shocks, Mac straightshot CAI, SCT chip and tune, Accufab Plenum 70mm, Motive 4.10's
Show:18x10 & 18x9 Bullitt Deep Dish Chrome Wheel's
295/35/18 & 265/35/18 Michelin Pilot Sport PS2's
tinted windows, billet grill
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