GT Performance Mods 2005+ Mustang GT Performance and Technical Information

How to make 400hp N/A

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Old Dec 4, 2006 | 04:19 PM
  #41  
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Originally Posted by mustangfan123
I took your advice on the GMS COP's and TB,so my plan to make 340-350rwhp is CAI,Tune,Headers,Water Pump,Cams,Pulleys, & CMDP's.
That should get you there! I can't wait to see your dyno sheets.
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Old Dec 4, 2006 | 04:29 PM
  #42  
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Originally Posted by mustangfan123
I took your advice on the GMS COP's and TB,so my plan to make 340-350rwhp is CAI,Tune,Headers,Water Pump,Cams,Pulleys, & CMDP's.
And ported and polished heads from a reputable company like Livernois.

If that doesn't get you there, you'll be really close, and the F.A.S.T. intake manifold will more than likely put you at those power levels you're looking for.

Granted, you'll be in the same warranty issue boat as you would if you went S/C, and you may be able to save money by going S/C, so it's up to you to decide.

But you've got a good place to start.

Oh, and add some 4.10's to that to make the driving experience even funner!

Make sure you get a dyno tune too once you get the cams! You'll want to be checking your A/F at that point.

And don't buy one of the intakes that says "No tune required". Get a JLT or a C&L if you want to get the most gains as possible.
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Old Dec 4, 2006 | 05:23 PM
  #43  
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Here's my detailed mod list: C&L Racer w/ Brenspeed 93 Octane Tune,Motoblue Udp's,Hooker SuperComp Headers, Steeda CMDP's, Stg. 3 Comp Cams, FRPP 4:10 Gears, And Meizere Electric Water Pump. 340rwhp can be done w/o Ported Cylinder Heads.
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Old Dec 4, 2006 | 05:28 PM
  #44  
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Originally Posted by mustangfan123
Here's my detailed mod list: C&L Racer w/ Brenspeed 93 Octane Tune,Motoblue Udp's,Hooker SuperComp Headers, Steeda CMDP's, Stg. 3 Comp Cams, FRPP 4:10 Gears, And Meizere Electric Water Pump. 340rwhp can be done w/o Ported Cylinder Heads.
It's possible IMO, but not probable.
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Old Dec 4, 2006 | 05:32 PM
  #45  
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Why not,Brenspeed did it w/o Heads,they did it with every mod I have on my future mod list with the exception of a mid-pipe. See:Comp Cams 127300 Cam Test 2005 2006 2007 Mustang GT
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Old Dec 4, 2006 | 05:53 PM
  #46  
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Are you planning on catting it?
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Old Dec 4, 2006 | 05:58 PM
  #47  
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I am going to keep the stock mid-pipe and cats,but I'm going to expand the forward pipes of the H-pipe to slip over the Headers.
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Old Dec 4, 2006 | 06:01 PM
  #48  
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The cats will hold you back a bit.
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Old Dec 4, 2006 | 06:02 PM
  #49  
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Yeah,but I rather be emissions legal so I can drive my car. By the way, do you know of any C.A.R.B legal higher flowing cats that I could put on my stock mid-pipe?
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Old Dec 4, 2006 | 06:09 PM
  #50  
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Couldnt you just get a hooker O/R and then swap the stocker back in for etest?
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Old Dec 4, 2006 | 06:11 PM
  #51  
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Well,I don't feel like swapping the mid-pipe each year,so that is why I want to keep the stock mid pipe.Also the stock mid-pipe flows well enough that there's no need for a new one(only 8-10hp gain from a aftermarket mid-pipe anyway,so it is not worth the swap).
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Old Dec 4, 2006 | 07:32 PM
  #52  
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Originally Posted by mustangfan123
I will add the mods that I listed besides cams first,dyno it,and see where I am rwhp wise(I am shooting for 310-315rwhp w/o cams),and if I don't even get close to reaching my rwhp goal with cams,which is 340-350rwhp,then heads might be an option.

Also,I found out that you have approximately 352hp at the crank True HP. I was expecting that with the mods u have,you should be pushing 370-375 crankshaft hp.Out of all your mods,you only got 52hp over stock hp.

Did you dyno your car on a Mustang Dyno?
Yes Mustang Dyno...And 20" wheels that weigh a ton suck up HP.... I was hoping for more as well... There may be a few more ponies hidden in there. I've considered UDP and an X-pipe (with Cats) and or a more aggressive tune (like a Lidio tune) but I think I'm just going to go Force fed. Vortech or Paxton... You may ask why I don't do cams.. Truth is they are risky... I've seen High speed video of what happens to cams/valves. The center lobe is unsupported and pretty much flopps up and down at high RPM. With afermarket cams longer duration and lift equals less stability and unless you go with titanium valves, springs etc its risky... thats a lot of coin and that is why I'm going force fed and concentrating on the lower end instead of the upper..... Besides now I have a spare block, heads and cobra crank to play with So we'll see how much PSI it can handle...
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Old Dec 4, 2006 | 08:08 PM
  #53  
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How much hp do cylinder heads give you?
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Old Dec 4, 2006 | 08:31 PM
  #54  
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Originally Posted by mustangfan123
1.2005sonicgt, No supercharger cuz i want 2 keep my warranty.
2.Jimp, I'm getting the The TB and Coil on Plugs cuz they equal 20-25 horses together. (Coil-on plugs=12hp TB=8-12hp)
That's ricer math bro. You won't get any HP from that crap.
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Old Dec 5, 2006 | 09:32 AM
  #55  
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Originally Posted by mustangfan123
I am going to keep the stock mid-pipe and cats,but I'm going to expand the forward pipes of the H-pipe to slip over the Headers.

Huh?!?!?

What are you talking about?

Where have you been getting your ideas from?

Just because Brenspeed advertises as making 400+, doesn't mean that you will with the same mods. Every car is different, and he's got all the time in the world to tune it as lean as it needs to be to make those numbers.

Not implying that I don't trust or believe Brenspeed, but you need to read between the lines man!

It's going to take a lot of money to get to the 400 range while still staying N/A.

What state do you live in, because I find it weird that you won't swap out the mid pipe for emissions, but you think you'll pass with cams.

Again, where are you getting all your info?
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Old Dec 5, 2006 | 09:38 AM
  #56  
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Originally Posted by mustangfan123
How much hp do cylinder heads give you?
It all depends on which heads you have and which mods you have as well. This is why it's important to not believe all the hype in magazines and things about gains.

Understand that the companies that advertise in MMFF, for example, pay for that advertisement. Due to that exchange of money, magazines will normally inflate the gains to make the product advertised seem more appealing.

Case in point, your COPs and TB...you thought you'd see big gains, likely from magazines or websites.

Find a few vendors that you can trust, and they will give you the real deal! If you ever have questions as to what are the best bang for your buck, or if certain parts really do put out the advertised gains, let me know, and I'll help you the best I can.

What ever you do, don't go out buying parts blindly! You'll waste a lot of money. Basically, most parts out there have already been installed on someone's car, and a review is out there somewhere. There have been plenty of "Buyer Beware" type of parts being sold, but people who don't know better still buy them.

Be careful, and spend your money wisely!
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Old Dec 5, 2006 | 10:01 AM
  #57  
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Originally Posted by metroplex
Starting with 260 rwhp (300 hp at the crank)

A good CAI kit, +20 hp
The FAST intake manifold, +40 hp
Stage 1 or Stage 2 camshafts, +20 hp

That puts you around 340 rwhp, or roughly 400 hp at the crank.
I wish fuelairspark.com would update their site with info on that FAST intake. That's a pretty bold claim... can't wait to see someone like Brenspeed test it and possibly do a tech article on it. That puppy could be months down the line, tho.
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Old Dec 5, 2006 | 01:53 PM
  #58  
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How much hp does the C&L Racer make? Would it work ok on a car with only aftermarket mufflers?
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Old Dec 5, 2006 | 01:55 PM
  #59  
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I live in Texas S197GT.
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Old Dec 5, 2006 | 01:57 PM
  #60  
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Metroplex is suffering from a severe case of ricer math. Parts work together. Some parts make the effects of other parts less beneficial. If part 1 is advertised as making 20hp over stock and part 2 is advertised as making 10hp over stock, using part 1 and 2 together does NOT necessarily add 30hp over stock.
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