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NEW NUMBERS!!!

  #1  
Old 04-18-2008, 04:08 PM
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Default NEW NUMBERS!!!

Got the car on the dyno today. The cams and the intake manifold added 25 hp to the rear wheels. The car sounds and runs great. New videos to come soon!


 
  #2  
Old 04-18-2008, 05:37 PM
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Numbers seem kinda low for the mods.....

My buddies GT is making 272hp/302tq off 75mm TB/plenum, LT's, O/R X-pipe, CAI, magnaflow catback, and dynotune



Maybe its your altitude or something
 
  #3  
Old 04-18-2008, 05:48 PM
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nice numbers man! but jeez, I thought the 4.6 would make more than that with cams and an intake manifold.
 
  #4  
Old 04-18-2008, 06:49 PM
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With the typhoon manifold you have to clean it up yourself or its going to rob some power. I had one before and sold it to put back on my PI manifold for the 5.4l build.

You might see bigger gains putting the stock PI back on because those typhoons tend to have some flaws, arent of the best quality and they tend to heat soak really quickly.

Good gains for the mods though. Hope my info might shed some light.
 
  #5  
Old 04-18-2008, 08:34 PM
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Originally Posted by Steven_s86 View Post
With the typhoon manifold you have to clean it up yourself or its going to rob some power. I had one before and sold it to put back on my PI manifold for the 5.4l build.

You might see bigger gains putting the stock PI back on because those typhoons tend to have some flaws, arent of the best quality and they tend to heat soak really quickly.

Good gains for the mods though. Hope my info might shed some light.
what do you mean by heat soak?
 
  #6  
Old 04-18-2008, 08:45 PM
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Originally Posted by Zaff03GT View Post
what do you mean by heat soak?
The intake, because it is metal, get really hot and heats up the air before it enters the engine. Hot air bad, cold air good.
 
  #7  
Old 04-20-2008, 07:22 AM
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You should be making more tq. My auto with full bolt on's and a dyno tune was makeing 298rwtq. SAE corrected.
 
  #8  
Old 04-20-2008, 08:35 AM
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aggressive cams tend to reduce tq numbers. Looks like he's making exactly the same power at the wheels as a stock 99-01 cobra. Good work.

BTW, your AF is all hosered. You're dropping to 11.5:1 at mid-band which is costing you power and fuel. Have your tuner fix the 2-4K rpm fuel trims.
 
  #9  
Old 04-25-2008, 10:03 PM
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Those numbers are a little on the low side. Mine puts out 271/303 STD with full bolt ons.
 
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