Welcome to Mustang Evolution.
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03-21-2004, 08:06 PM
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#1
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ASP and Mac
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Ranch Under The Hood
Join Date: Jan 2004
City: Parkersburg, West Virginia
Posts: 241
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Ok i know what the underdrive pullies do but, mac and asp both have pullies and mac comes with two and asp comes with one, what is the difference in HP gains between the brands (if any) because one is more expensive (at EE). which one do you guys recommend? also dont both require new belts.
sorry about the shitty explanation...
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-Jason
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03-21-2004, 08:25 PM
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#2
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Eyes So Tight I Pass For An Asian
Join Date: May 2003
City: Huntsville
State: Alabama
Posts: 27,548
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More than likely one of them is for a 94-98 and one is for a 99+ the 99+ comes with one pulley and is more expensive while the 94-98 come with 2 and are cheaper. |
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03-21-2004, 10:41 PM
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#3
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Registered User
Join Date: Jun 2003
City: Gulf Breeze
State: Florida
Posts: 4,689
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I know the 99+ needs a shorter belt. and also the 99+ comes with a new harmonic balancer(not sure about 94-98) and if you have a 99+ they changed the balancer about halfway in 2000 so theres 2 diff ones for the 99+
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-Tony
'99 cobra 'vert
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03-22-2004, 09:35 AM
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#4
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Concordium
Join Date: Mar 2004
City: Houston, Tx
Posts: 82
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Silver '96 V6
Mods: True Dual Exhaust, Flowmaster 40's, Cobra Diamond Clear Headlights and Side Markers, Shortened Antennas, Blue Dome Light, Metallic Blue Painted Calipers, 4.10's w/ T-Lok coming in a few weeks.
http://www.mizzoustud.com/pics/conc.png
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03-22-2004, 11:34 PM
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#5
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Ranch Under The Hood
Join Date: Jan 2004
City: Parkersburg, West Virginia
Posts: 241
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well would it be better to get just the crank pully or the water and alternator also?
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-Jason
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03-23-2004, 12:20 AM
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#6
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Senior Tech Advisor
Join Date: Jun 2003
City: Burlington, NC
State: North Carolina
Posts: 2,685
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Most just use a crank pulley on a V6, but you can use them all if you want. It all helps. The alternator one is overdrive and makes up for loss in alternator charging from the underdrive crank pulley. This helps for people with huge stereo systems etc.
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 Rick Kilpatrick, AAS Automotive Systems Tech, Alamance Community College, Class of 99. 06 5 speed manual Mustang with Pony pkg : GT Mac Mufflers, true duals with one custom pipe. 2.5" system. GT bumper cover, all installed March 7&8 2006. AFE Stage 1 CAI, Motoblue Underdrive pulley, GT aluminum shifter knob, honeycomb rear blackout panel,and dash kit installed. Roush hood scoop and side window louvers installed. SS taillight trim has been installed, new alum. GT steering wheel installed.
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03-23-2004, 01:59 PM
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#7
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Concordium
Join Date: Mar 2004
City: Houston, Tx
Posts: 82
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yup, what Rick said. i am getting the setup with the crank pulley, water pulley, and OD alternator pulley. but, i am only installing the crank and water pump pulley for now. you dont need an OD alternator pulley on a stock stang. i am saving the OD pulley for whenever i get a system put in my car. that way i dont have to order one and wait for it to come in the mail and install it. if your stang is stock and you have no plans on getting a system put in then go ahead and just get the crank and water pump pulley.
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Silver '96 V6
Mods: True Dual Exhaust, Flowmaster 40's, Cobra Diamond Clear Headlights and Side Markers, Shortened Antennas, Blue Dome Light, Metallic Blue Painted Calipers, 4.10's w/ T-Lok coming in a few weeks.
http://www.mizzoustud.com/pics/conc.png
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03-23-2004, 02:18 PM
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#8
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
Posts: 10,970
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When you get a Crank pulley it slows down the water pump and on a stock alt pulley with a UDP at idle the lights do go dim at night and the alt is not putting out any positive voltage for charging!!!!
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03-23-2004, 02:56 PM
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#9
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Concordium
Join Date: Mar 2004
City: Houston, Tx
Posts: 82
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yes, that happens when you are at idle. now imagine if i had a thumpin system in the car 
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Silver '96 V6
Mods: True Dual Exhaust, Flowmaster 40's, Cobra Diamond Clear Headlights and Side Markers, Shortened Antennas, Blue Dome Light, Metallic Blue Painted Calipers, 4.10's w/ T-Lok coming in a few weeks.
http://www.mizzoustud.com/pics/conc.png
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03-23-2004, 06:01 PM
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#10
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
Posts: 10,970
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Yes I have had thumpin sound systems in my cars but I have a thumpin sound coming from my cam that is the sweetest music to my ears !!!!!
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03-23-2004, 07:02 PM
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#11
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Registered User
Join Date: Jun 2003
City: Gulf Breeze
State: Florida
Posts: 4,689
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camming = 
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-Tony
'99 cobra 'vert
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03-23-2004, 11:48 PM
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#12
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Registered User
Join Date: Aug 2003
Posts: 984
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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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03-24-2004, 12:01 AM
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#13
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Registered User
Join Date: May 2003
City: Londonderry, NH
State: New Hampshire
Posts: 5,403
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I have a system in my car and a udp crank and a udp alt pulley...
I dont notice any difference in charging. Even in traffic.. long trips.. idling..
no dimming of anything whatsoever.
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-Charles
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03-24-2004, 12:02 AM
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#14
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Registered User
Join Date: May 2003
City: Londonderry, NH
State: New Hampshire
Posts: 5,403
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Btw: the'll require shorter belts..
96.0" - 96.8" will work fine.
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-Charles
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03-24-2004, 12:08 AM
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#15
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Taking life one day at a time
Join Date: May 2003
City: Simpsonville
State: South Carolina
Posts: 10,970
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You wont with the alt pulley speeding it up
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03-24-2004, 10:31 AM
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#16
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Registered User
Join Date: May 2003
City: Londonderry, NH
State: New Hampshire
Posts: 5,403
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i had a underdrive alt pulley, not an overdrive alt pulley.
It was a kit from Hypertech, they dont make it anymore.
Plus when i switched alternators, i never switched pulleys. So whats on it now is a stock pulley.
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-Charles
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03-24-2004, 10:32 AM
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#17
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Registered User
Join Date: May 2003
City: Londonderry, NH
State: New Hampshire
Posts: 5,403
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Same goes for my friend scoprion99 and his system is larger than mine.
Alot larger..
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-Charles
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