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Discussing Underdrive pulley in the 4.0L 2005+ Forum. Hey guys, just ordered my ASP UDP. Hopefully I will notice something lol. I already ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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#1 |
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Enthusiast
2006 Mustang 4.0
Join Date: Oct 2006
Location: Ashland, Kentucky
Posts: 510
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Underdrive pulley
Hey guys, just ordered my ASP UDP. Hopefully I will notice something lol. I already have the JLT CAI/Tuner Combo. I guess I will see something like 240 at the engine and maybe around 210 at the wheels. Not really sure.
I have a question. Is the BBK 70mm TB and the TB spacer worth it? Would I notice a difference if I got both?
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06' 4.0 Mustang, 5 Speed, Black - In Progress - CAI/Tuner Combo/ 93 Octane Tune/ Coast Alum DS/ ASP 25% UDP/ Custom H with A/T Flows/ Pioneer Avic D3/ Dual Beam 8000k HID Headlights |
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#2 | |
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MM's Resident Leghumper
2007 Mustang GT
14.6 for my rookie first run ass
Join Date: Apr 2008
Location: Luke AFB Arizona
Posts: 2,605
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I'd say save the money and get gears if you havn't already
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Mods: AIRAID, GT500 spoiler, BMR springs, Adj Panhard Rod, Kooks Catback Exhaust....haha, wow I suck ![]() Military Crew E-4 (SrA) JAKE'S PIITB CREW MEMBER#2 LACEY'S TIOTB CREW: FOUNDER |
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#3 |
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Enthusiast
2006 Mustang 4.0
Join Date: Oct 2006
Location: Ashland, Kentucky
Posts: 510
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yeah end of summer is definately gt rear axle with 3.73s and exhaust, but I was just wondering about the TB and spacer thing. Some people say it isnt worth it and some people absolutely love it and swear by it. I know I would notice a bigger gain because of the CAI and tune. Thanks for the the advice. Maybe some more people will tune in.
Also did I gain or lose any low end torque with the CAI and tune. Same question for the 70mm TB. Will I notice any low end torque change?
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06' 4.0 Mustang, 5 Speed, Black - In Progress - CAI/Tuner Combo/ 93 Octane Tune/ Coast Alum DS/ ASP 25% UDP/ Custom H with A/T Flows/ Pioneer Avic D3/ Dual Beam 8000k HID Headlights |
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#4 |
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Regular
08
Join Date: Dec 2008
Posts: 173
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Spacer is a waste of money, like Safi said you're better off waiting until you have the HP to make full use of an upgraded TB.
I'd say prio#1 should be an upgraded rear end. But if you feel the need just grab a TB, skip the spacer until you have money to waste.
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#5 |
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Newbie
1998 mustang gt
Join Date: Jun 2009
Location: allentown, PA
Posts: 13
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by far the best bang for my buck on my 95 5.0L and my 95 3.8L was a set of gears 3.73 on the 5.0 and 4.10 on the 3.8 ... now the tb is not a complete waste just not as satisfying as the gears ... i have a 4.0 now and i've been looking for a set of udp online but have had no luck finding anything ... where'd u get your asp udp ... im currrently saving up for the gears and a t-lok on this car and a pypes m80 mid muffler dual exhaust
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#6 |
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Enthusiast
2006 Mustang 4.0
Join Date: Oct 2006
Location: Ashland, Kentucky
Posts: 510
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Steeda Underdrive Pulley 2005+ Mustang V6 - 018-526400
Mustang ASP Underdrive Pulleys & Belt Package Just google man. I could pull up like 10 more sites. I got mine from late model restoration. Also make sure you either order one with the belt in a package or order the pully and go to autozone and pick up the right size belt. Alot of places only sell the pulley.
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06' 4.0 Mustang, 5 Speed, Black - In Progress - CAI/Tuner Combo/ 93 Octane Tune/ Coast Alum DS/ ASP 25% UDP/ Custom H with A/T Flows/ Pioneer Avic D3/ Dual Beam 8000k HID Headlights |
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#7 |
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Newbie
Join Date: Feb 2007
Location: Edmonton, Alberta, CANADA
Posts: 32
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how did the UDP turn out? im thinking of getting that next
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#8 |
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Enthusiast
2006 Mustang 4.0
Join Date: Oct 2006
Location: Ashland, Kentucky
Posts: 510
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good man. cant really notice anything bad about it. accessories work great. nice gain.
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06' 4.0 Mustang, 5 Speed, Black - In Progress - CAI/Tuner Combo/ 93 Octane Tune/ Coast Alum DS/ ASP 25% UDP/ Custom H with A/T Flows/ Pioneer Avic D3/ Dual Beam 8000k HID Headlights |
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#9 |
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Banned
2007 Mustang
Join Date: Nov 2006
Location: Texas
Posts: 900
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Dont fuck with aftermarket throttle bodies.
Nothing but trouble. |
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#10 |
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Enthusiast
2006 Mustang 4.0
Join Date: Oct 2006
Location: Ashland, Kentucky
Posts: 510
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Why? Your statement is useless without an explanation.
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06' 4.0 Mustang, 5 Speed, Black - In Progress - CAI/Tuner Combo/ 93 Octane Tune/ Coast Alum DS/ ASP 25% UDP/ Custom H with A/T Flows/ Pioneer Avic D3/ Dual Beam 8000k HID Headlights |
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#11 |
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Newbie
2007 mustang v6
have not run yet
Join Date: Nov 2008
Location: texas
Posts: 29
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i have the bbk 70mm on my 07 and it was easy to install with a nice little difference. it does whistle at certain rpm.
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