4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

question for a 99 GT

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Old Oct 14, 2008 | 01:26 PM
  #11  
SilvrStang's Avatar
SilvrStang
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I say 400 safely.
Old Oct 14, 2008 | 01:27 PM
  #12  
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The internals will go way before the block period. Even with billet rods.

445 rwhp for three years. Is it a daily driver? What sort of mods does he have? Whose his tuner?
Yes it was his daily driver, He has stage 2 vt blower cams, longtubes, stock heads and a D1-sc at 12psi. He changed over to a return style fuel system and was tuned by a local shop (Delk)
Old Oct 14, 2008 | 01:55 PM
  #13  
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OP- if you are going to push the limits on a 99 gt, then pull it out and build it strong cause once you get to the limit, eventually you will want more and then that's when it will blow
Old Oct 14, 2008 | 02:47 PM
  #14  
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Originally Posted by mustangman281
The internals will go way before the block period. Even with billet rods.


Yes it was his daily driver, He has stage 2 vt blower cams, longtubes, stock heads and a D1-sc at 12psi. He changed over to a return style fuel system and was tuned by a local shop (Delk)
I need to look into a set of blower cams and a return fuel system then.
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