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Old 03-08-2007   #1 (permalink)
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Default How do you get 400 rwhp out a naturally aspirated 2006 Mustang GT?

What will it take mod wise to get our engine to make 400 RWHP NA? I'm thinking long tube headers, CAI, custom tune, cams CMCV delete. What about using the new 3-valve heads from Ford Racing? Is it even possible without a power adder?
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Old 03-08-2007   #2 (permalink)
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Quote:
Originally Posted by marks86gt View Post
What will it take mod wise to get our engine to make 400 RWHP NA? I'm thinking long tube headers, CAI, custom tune, cams CMCV delete. What about using the new 3-valve heads from Ford Racing? Is it even possible without a power adder?
I'm no expert, but I would think that all of the above plus new pistons, crank and maybe bigger injectors, better fuel pump, etc...

With the stock motor, you are in the range of 260 - 270 RWHP...

You want to gain at least 130RWHP to get to the magic 400RWHP...

The simple answer is a Saleen or KB supercharger!!!

The hard answer is alot of other mods and engine work for those numbers...

Why, don't you just do it the easy way and not waste time???

Dave
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Old 03-08-2007   #3 (permalink)
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Yes it's possible but it's not going to be a very pleasant daily driver. Forging, PnP heads, bigger intake plenum, high lift/duration cams + the other stuff you mentioned may get you close to 400.
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Old 03-08-2007   #4 (permalink)
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Quote:
Originally Posted by marks86gt View Post
Is it even possible without a power adder?
It might be possible, but I don't know of anyone who has actually done it.
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HP numbers are good and all, but they are like asking someone how much they can bench. What difference does it make if I can still kick your a$$?
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Old 03-08-2007   #5 (permalink)
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It'd be hard to do without high compression, radical cams, basically it wouldn't be suitable for a daily driver. With a power adder, no problem.
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Old 03-08-2007   #6 (permalink)
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I'm pushing close to 350 and I'm about as far as I'm willing to go. I thought about the new FRPP ported heads but that's another 4k+. I may look into the FAST intake plenum but that would probably just screw up the Shaker install so I probably won't to that either.
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Old 03-08-2007   #7 (permalink)
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I thought about the new FRPP ported heads but that's another 4k+.
IMO, you can get better heads for less money.
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Quote:
Originally Posted by bigwilly43729
HP numbers are good and all, but they are like asking someone how much they can bench. What difference does it make if I can still kick your a$$?
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Old 03-08-2007   #8 (permalink)
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How much are the Livernois heads?
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Old 03-08-2007   #9 (permalink)
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What about 350 RWHP without a turbo or blower ?
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Old 03-08-2007   #10 (permalink)
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Livernois are 3400 for a pair
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Old 03-08-2007   #11 (permalink)
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Quote:
Originally Posted by UtahStang View Post
What about 350 RWHP without a turbo or blower ?
That's easy... I'm just 3 shy of that now.
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Old 03-08-2007   #12 (permalink)
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So, with your experience getting there, what would you recommend a noobie do to get there ???

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Old 03-08-2007   #13 (permalink)
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It took everything in my signature to get there. Nothing that complicated with the exception of the cams.
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Old 03-08-2007   #14 (permalink)
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Quote:
Originally Posted by stlwagon View Post
How much are the Livernois heads?

Stage 1 = $1695

Stage 2 = $1895

Stage 3 = $2695

There is a refundable $800 core charge as well.

I'm glad I got mine when I did... I bought mine a year ago, and have what is now called Stage 3, and I paid less than $2K total.
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Quote:
Originally Posted by bigwilly43729
HP numbers are good and all, but they are like asking someone how much they can bench. What difference does it make if I can still kick your a$$?
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Old 03-08-2007   #15 (permalink)
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Sry but it's easier and CHEAPER to just throw in a supercharger for 400+RWHP than NA 400+rwhp...
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