Using a larger throttle body with boost worth it?

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Old Aug 22, 2007 | 09:23 AM
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jetlude's Avatar
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Default Using a larger throttle body with boost worth it?

As the toppic says. I know on NA motors there is an advantage. How about with a turbo motor, are there significant gains by using a larger throttle boby?
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Old Aug 22, 2007 | 09:26 AM
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Default Re: Using a larger throttle body with boost worth it? (jetlude)

depends 68mm-70mm seem to fit the needs of most anything over is mostly overkill and suffer from throttle repsonse in the low range
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Old Aug 22, 2007 | 09:53 AM
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Its for my H22. Dont remember the stock size, However I got one from the F20B which is a little bigger. Is it worth the swap ?
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Old Aug 22, 2007 | 10:21 AM
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Default Re: (jetlude)

What's your set-up?
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Old Aug 22, 2007 | 11:27 AM
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ive always heard you should match the throttle body size with your cold side piping size.
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Old Aug 22, 2007 | 12:26 PM
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Default Re: (JDMisGOOD)

H22
sleeves
rods
pistons (9:1 Je)
60-1 turbo
etc etc
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Old Aug 22, 2007 | 12:55 PM
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Default Re: (jetlude)

if you have 2.5" cold side piping then i would go with a 64mm TB. if its 2.75" then go with 70mm
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