B20b turbo throttle body question

 
Old 06-02-2018, 11:35 AM
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Default B20b turbo throttle body question

Hey guys,

I am gathering parts for a budget boosted b series swap for my blown up 2000 EX. All I have so far is the jdm high compression B20B in my garage and a Blox intake manifold on the way. I was planning on using a cheap CX Racing kit and running 8 to 10 psi. Aside from bolt on parts that I need for it to run and maintenance, I don't plan on doing anything to the engine itself. How do I calculate what sized throttle body to use. It looks like most of the cars on youtube are using 70mm tbs. Is this what is recommended or is that to big for my application? I'm just trying to throw something together to have some fun and play around with tuning on.

Thanks,
Chris
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Old 06-02-2018, 11:40 AM
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Default Re: B20b turbo throttle body question

Use your oem throttle body.
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Old 06-02-2018, 03:46 PM
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Default Re: B20b turbo throttle body question

Use OEM. Also I was not aware that either Blox or CXRacing made cold/hotside components for non-VTEC heads, unless you're on a B20 VTEC setup.
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Old 06-02-2018, 09:13 PM
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Default Re: B20b turbo throttle body question

Originally Posted by boosted94gsr View Post
Use your oem throttle body.
Yes... this. If you are on a budget, do not spend any money on a bigger throttle body. It will not make more power at the low power levels that you are targeting.
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