GT Performance Mods 2005+ Mustang GT Performance and Technical Information

4.10s and SCT flash= WOW

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Old 2/11/05 | 01:36 PM
  #41  
2k5pony's Avatar
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Originally posted by MrMorden+February 11, 2005, 10:11 AM--><div class='quotetop'>QUOTE(MrMorden @ February 11, 2005, 10:11 AM)</div><div class='quotemain'><!--QuoteBegin-2k5 pony@February 9, 2005, 4:21 PM
Just had the gears and tune uploaded at Steen Racing...its like a different car!! If anyone lives in the Hampton Roads area in VA and would like the SCT tune, I worked with a guy named Ed Clark. He stopped by the shop where I had the gears installed and took care of me. actually worked with Steeda recalibrating the Screaming yellow Q, so he is very knowledgable and took the time to show me all the differences the tune made compared to the factory program. I have ordered C&L' s new CAI and was originally going to go with the predator, but it seems it will still be awhile before the predator is available to be shipped with their kit. I decided for them to just send out the CAI w/out the predator b/c Ed said he would have no problem retuning it for the intake system. Vegasjay, if you are reading this, Lee at C&L thought i was you calling from Vegas to check up on the shipping dates. They shipped out the CAI today and I am going to have it dyno tuned with Ed next week with CAI,pullies,charge motion plates, and MAC axle back. I will post up some numbers as soon as I get them
Don't you have to pull the heads to put on the CM plates?!? I hope it adds something for you, it's going to be pricey! :worship:
[/b][/quote]

Nope not at all...I just got them in yesterday and read over the directions. You have to take off the upper intake, injectors, and fuel rails. Pretty straight foward actually. Steeda always has excellent detail in their directions, shouldn't be that tough.
Old 2/11/05 | 01:53 PM
  #42  
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Originally posted by steal101@February 11, 2005, 1:55 AM
I've hit 130 MPH with no hood dance. One other thing is at 80 MPH in 5TH I'm at 2450 or 2500 RPM's with stock gears, so 2750 with 4:10's is not bad.
You wern't speeding with your eye's closed again were you? LOL
Old 2/11/05 | 05:30 PM
  #43  
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Here's a shot of my gauges on the dyno running through the gears....

John
Old 2/11/05 | 05:39 PM
  #44  
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that's a great pic
Old 2/11/05 | 06:20 PM
  #45  
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Originally posted by Vegasjay+February 11, 2005, 1:56 PM--><div class='quotetop'>QUOTE(Vegasjay @ February 11, 2005, 1:56 PM)</div><div class='quotemain'><!--QuoteBegin-steal101@February 11, 2005, 1:55 AM
I've hit 130 MPH with no hood dance. One other thing is at 80 MPH in 5TH I'm at 2450 or 2500 RPM's with stock gears, so 2750 with 4:10's is not bad.
You wern't speeding with your eye's closed again were you? LOL
[/b][/quote]

Yes I was. Hey John what gear are you in the pic? Thanks.
Old 2/11/05 | 08:58 PM
  #46  
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I'd guess 4th?
Old 2/11/05 | 09:31 PM
  #47  
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Originally posted by Vegasjay+February 9, 2005, 7:49 PM--><div class='quotetop'>QUOTE(Vegasjay @ February 9, 2005, 7:49 PM)</div><div class='quotemain'>
Originally posted by steal101@February 9, 2005, 7:43 PM
<!--QuoteBegin-Vegasjay
@February 9, 2005, 6:37 PM
BTW: Nice Mod's! I also can't wait to wake my pony up! I'm starting to consider 4:10's now. Everybody seem's to be likeing them real well. I'm sure it's been posted, but what's the RPM's at 80 mph? Thank's for the head's up.


Mine 4:10's should have been shipped out today. Don't get left behind Justin.
No kidding! It's turning into a Mod whirlwind in here! Who did you order your gears through? I figured I'd just get them from FRP. I still want to be able to hit 150 mph, will 4:10's still allow that?
[post=]Quoted post[/post]
[/b][/quote]
yah, you have 300hp and a high revving 4.6, u will hit 150 at least
Old 2/11/05 | 09:35 PM
  #48  
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Yeah, I think it was about to shift into 5th at that point....WOOHOO! Nice to go that fast standing still....No tickets or flashing lights....HAHA

John
Old 2/11/05 | 09:36 PM
  #49  
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Originally posted by MrMorden@February 11, 2005, 10:14 AM
Those of you worrying about top speed with 4.10s, don't sweat it.

You'll be able to use more of your 5th gear before hitting the aero limit of the car, so that makes up for the higher revs. In the 99-04 cars a lot of people reported *higher* top speeds with 4.10s for this reason.


I knew a guy who added 10mph to the top end in his 98 cobra by switching to 4.10s
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