Stock Throttle Body -- Size??

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Sep 12, 2002 | 06:58 AM

bfrank81

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From: DE, US

Stock Throttle Body -- Size??

What is the size of a stock throttle body on a '91 Si HB?

Thanks,

Sep 12, 2002 | 08:18 AM

bfrank81

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From: DE, US

Re: Stock Throttle Body -- Size?? (bfrank81)

** BUMP

Sep 12, 2002 | 10:59 AM

Lamchop0000

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From: ca

Re: Stock Throttle Body -- Size?? (bfrank81)

ok i just measured my 90 crx si throttle body...

outside diameter is 2 9/16"
inside diameter is 2 5/16"

hope that helps

Sep 13, 2002 | 04:57 AM

bfrank81

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From: DE, US

Re: Stock Throttle Body -- Size?? (lamchop0000)

OK. So when I convert 2 5/16 into mm I get 58.73761747523495

Round that off to a 58 - 59 mm throttle body.

Is that correct?

Thanks for the measurements!

Sep 13, 2002 | 11:07 AM

civbeater90

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From: Dirty Jerzy, USA

Re: Stock Throttle Body -- Size?? (bfrank81)

no stock is smaller than 58 mm.i believe 54 mm.

Sep 13, 2002 | 12:06 PM

slowman

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From: FL

Re: Stock Throttle Body -- Size?? (civbeater90)

Whats the size of the Y8 Throttle Body?

Sep 13, 2002 | 01:31 PM

Hondacar

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From: Turtle Creek, Pa, USA

Re: Stock Throttle Body -- Size?? (slowman EF)

I would have to think that you would want measure the end by the throttle plate. I have the original tb of my ZC and in the throttle plate area I get 2.169-2.170 = 55mm

Stock Throttle Body -- Size??

Stock Throttle Body -- Size??

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