4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

What kinda gains?

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Old 03-27-2006, 02:11 AM
  #1  
xxkazp3rxx
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Default What kinda gains?

What kinda RWHP gains should I be expecting from Steeda Underdrive pulleys?? I hear around 10???
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Old 03-27-2006, 03:09 AM
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03sonicgt
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Default RE: What kinda gains?

My guess is around 5rwhp. The key is to not expect much with little bolt-ons, then you'll be happy when you drive your car for the first time with them.
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Old 03-27-2006, 04:13 AM
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rbstang
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Default RE: What kinda gains?

6 at most. but more then likely 4rwhp
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Old 03-27-2006, 04:47 AM
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GTowner4life
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Default RE: What kinda gains?

Will the UDP's reduce the AC and kill my batery since i have a 800 watt amp and subs?
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Old 03-27-2006, 08:37 AM
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DIVER8374
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Default RE: What kinda gains?

When I had mine installed, I had the car dynoed before and after and I gained 8RWHP with my Steeda UDP. So I would expect any where from 6-10 RWHP.
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Old 03-27-2006, 02:11 PM
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antiv6
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Default RE: What kinda gains?

6-10 is what i hear there good for
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Old 03-27-2006, 04:22 PM
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code3GT
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Default RE: What kinda gains?

Whatever they advertise, take 1/2 off.
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Old 03-27-2006, 04:26 PM
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Emann0007
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Default RE: What kinda gains?


ORIGINAL: code3GT

Whatever they advertise, take 1/2 off.
LOL that's a good rule of thumb. They publish inflated Crank HP numbers. 6-8rwhp is fair with the UDP though. Just don't get piggyback style pulleys. Steeda for the win!
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Old 03-27-2006, 08:13 PM
  #9  
Mod Power
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Default RE: What kinda gains?

I don't know about the H.P. gains but I really didn't feel any diffrence when I installed mine. I'm sure there's a gain but nothing you will feel. (I.M.O.)
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