GT Performance Mods 2005+ Mustang GT Performance and Technical Information

4.10s and SCT flash= WOW

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Old 2/9/05 | 04:18 PM
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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
Old 2/9/05 | 04:24 PM
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From: San Antonio, TX
I don't know if its been posted or not, for those that have switched to the 4:10 gears, what are your city/highway gas mileages. Just wondering how much the gears would hurt the gas mileage.
Old 2/9/05 | 04:53 PM
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sounds awesome..keep us posted on the performance #'s
Old 2/9/05 | 05:43 PM
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Sounds great - can't wait to hear more!!
Old 2/9/05 | 06:02 PM
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I'm looking to go a similar route with 4.10's, CAI and a tune. I'm in the D.C. area and Hampton is a bit of a hike from here. Can anyone recommend a local shop for the gears and tune?
Old 2/9/05 | 06:12 PM
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Congrats!!!
Old 2/9/05 | 06:29 PM
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Hey Dennis, did they say when the Predators were gonna arrive? I haven't had time to call them. I was hopeing my kit already shipped... :bang:
Old 2/9/05 | 06:34 PM
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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.
Old 2/9/05 | 06:43 PM
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predator will be released in about 2 weeks

30 preproduction units are being shipped out for feedback and testing


i will let you know how it is by this weekend
Old 2/9/05 | 06:51 PM
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Is your SCT tune for 87 octane still, or is it tuned for 91 (or 93)?
Old 2/9/05 | 07:08 PM
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Originally posted by Vegasjay@February 9, 2005, 6:32 PM
Hey Dennis, did they say when the Predators were gonna arrive? I haven't had time to call them. I was hopeing my kit already shipped... :bang:

Vegasjay check your pm...as far as the rpm at 80 it was around 2700 and to be honest, in a 5spd 4.10s will get better with lower profile tires. The stock tires I think rob some of the gears acceleration potential so if running 55s I would go with 4.30s. Driving around town and accelrating around traffic is a blast!! i didn't want to come home...
Old 2/9/05 | 07:10 PM
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Originally posted by holderca1@February 9, 2005, 4:27 PM
I don't know if its been posted or not, for those that have switched to the 4:10 gears, what are your city/highway gas mileages. Just wondering how much the gears would hurt the gas mileage.

I'll keep track for you the next couple of tanks but I don't expect it to be that big of deal...
Old 2/9/05 | 07:11 PM
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Denis, Where is Steen Racing at? Does Ed work there? Once I get a build date I'm gonna order the MMR intake, SCT tuner and pullies, it comes as a package. I was gonna start looking around for a speed shop next week. Let me know what you know!! What were the costs for everything?
Old 2/9/05 | 07:13 PM
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Originally posted by Import-Slaya@February 9, 2005, 6:54 PM
Is your SCT tune for 87 octane still, or is it tuned for 91 (or 93)?


Ed put two tunes on the programmer....One for 87 and the second for 93. I had a full tank of 87 at the time so I uploaded that one for now. The next tank I will fill up with premium and use the other tune to see if it is really worth the extra loot.
Old 2/9/05 | 07:27 PM
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Originally posted by Mustang69-05@February 9, 2005, 7:14 PM
Denis, Where is Steen Racing at? Does Ed work there? Once I get a build date I'm gonna order the MMR intake, SCT tuner and pullies, it comes as a package. I was gonna start looking around for a speed shop next week. Let me know what you know!! What were the costs for everything?
It is located right across the street from performance unlimited...I don't know if you are familiar with that but it is off chesapeake blvd in norfolk. Ed actually does the tuning on the side but works directly with different speed shops. He came right out to the shop as they were finishing up my gears, so it worked out great. Ed only charges 325.00 for the excalibrator and the tunes!!! If you want to dyno tune it with future mods,or in general, it runs 75.00 per hour. He said that should be plenty to get it dialed in. Steen racing charges 75 or 80 bucks per hour for labor...here is a link to their site...

http://www.steenracing.com

By the way, he(Jason at Steen) has a three valve head he ordered from Ford that will begin to get valve work and porting and polishing on his bench flow!! Can't wait to see results...
Old 2/9/05 | 07:40 PM
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Originally posted by 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.
My 4:10's should have been shipped out today. Don't get left behind Justin.
Old 2/9/05 | 07:47 PM
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Thanks Denis, I know where it is. I used to buy my 73 Mach 1 parts there. Maybe I'll pop in there and see what they will charge for all the stuff. I'm gonna put it all on myself, but I would like to dyno it and get it tweeked in individually instead of a generic tune. Pull as much as I can with it. We'll have to get together and check all the toys out. Thanks!
Old 2/9/05 | 07:51 PM
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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]


The shop I used stocked them and they were FRPP...as far as top speed I haven't been 150 mph with the 3.55s or 4.10s for that matter..
Old 2/9/05 | 07:54 PM
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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]

I ordered from JMS the same dudes that did my SCT tune. I think with the speed gov. removed we should be able to get real close to 150. Good question.
Old 2/9/05 | 07:57 PM
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JMS does sell Ford Racing gears also.


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