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Old Jun 3, 2004 | 12:49 PM
  #1  
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Default 408?

what kind of power could one expect from a 408 with forged internals, fast intake and a 90 mm throttle body, and kooks before gas? justb looking for your guesses
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Old Jun 3, 2004 | 07:30 PM
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Default Re: 408? (joe03z06)

anywhere from 490-530 I would think would be the norm.

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Old Jun 5, 2004 | 09:25 PM
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Default Re: 408? (joe03z06)

I agree with KUMAR, 500rwhp should be VERY DOABLE and STREETABLE but you have to get great flowing heads and the right aggressive cam!!! The 408 ironblock is a great way to go for durabilty, performance and STRENGTH for N20 to make CRAZY POWER!!!
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Old Jun 6, 2004 | 02:50 PM
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Default Re: 408? (joe03z06)

My friend just got an APE 408 but with an ls6 intake, and engine dyno'd at 590/550ish...He hasnt had the final tuning yet, hence no chassis #s. RWHP should be over 500rwhp easy on pump gas and a very streetable setup.
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