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Schwarzeritter Schwarzeritter is offline
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Join Date: Jul 2008
Location: PaloAlto Calif, IndianWells PalmDesert, Japan
Posts: 299
My two cents : It's a little hard too say specifically weather a larger throttle body will give total performance. You might gain a numerical but suffer or end up with poor throttle control.

Since your engine is already tuned and sitting at 600hp, I am going to be very cautious about what I say here. As there are a good many ways to reach 600hp and depending on how you approached such performance levels one should act with caution.

The way I like doing things ( personal pref )
1 : What is your turbochargers flow aprox as far as CFM's are concerned.
2 : What dose your throttle body + Manifold's flow charictor/CFM
3: What dose your cylinder head on flow on the intake side and exhaust.
4. What dose your exhaust/Turbo Manifold flow.

This is sort of a general rule of thumb, I don't see a 71mm throttle body jumping you up too 700hp. you might increase your performance soon rather than later or have minuet gains with out addressing the listed above. Then again I know very little to nothing about your specific engine.

Good luck with your project~
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Old 08-03-2008, 09:12 PM
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