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oem throttle body vs. aftermarket throttle body

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Old Nov 2, 2009 | 05:13 AM
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skipper_red's Avatar
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Default oem throttle body vs. aftermarket throttle body

need help with this,. im thinking of changing my throttle body dont know what to get, the oem or the after market.. im looking for 70mm size tb. does the 06-07 civic si throttle body got the 70 mm size?
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Old Nov 2, 2009 | 06:24 AM
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Default Re: oem throttle body vs. aftermarket throttle body

you need to research some. Try google.

for help I'll tell you that 70mm on a bolt on car is too big. You can get a tsx throttle body which is slightly bigger or you can have that one bored. The stock is 60mm and cant be bored b/c the walls are to thin and it cracks.

Ive already said to much. GL
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Old Nov 2, 2009 | 07:59 AM
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Si87's Avatar
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Default Re: oem throttle body vs. aftermarket throttle body

I think the TSX throttle body is 64mm...You see some gains in high RPMs but from what I have seen I am not convinced its a worth-while mod.
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Old Nov 2, 2009 | 09:42 AM
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Default Re: oem throttle body vs. aftermarket throttle body

they are priced for around $500 and yes its a 64mm and you get around 3-6whp gains is what i believe i read.
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Old Nov 3, 2009 | 12:28 AM
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Default Re: oem throttle body vs. aftermarket throttle body

No after market 70mm available yet, Hybrid-Racing is developing one. Pick up a used 2006-2007 TSX unit and send it to maxbore.com
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