Exhaust diameter - Team Camaro Tech
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post #1 of 7 (permalink) Old Nov 25th, 01, 05:34 PM Thread Starter
ded
 
Join Date: Oct 2001
Location: Naugatuck, CT
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How do i find out the diameter of my exhaust system?

Its a stock 1985 2.8l v6 173ci camaro. And i can't find any information on it.

I plan on relacing it from the Y-pipes if anyone is curious why i ask such a question.

Thanks for any help
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post #2 of 7 (permalink) Old Nov 26th, 01, 03:46 PM
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Joe
 
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My father inlaws old 86 firebird had a 2.8L and the exhaust was 2 1/4 or 2 1/2. The easiest way to find out is to use vanier(?) calipers to measure the over all diameter of the pipe.

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[This message has been edited by Joekool1234567 (edited 11-27-2001).]
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post #3 of 7 (permalink) Old Nov 26th, 01, 05:10 PM
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he's got ya, use the calipers, that'll tell ya. theres an equation for measureing the circumference of the pipe and finding the diameter but i dont know it off hand, not much help sorry unless you know the equation.

[This message has been edited by CamaroNOTcamero (edited 11-26-2001).]
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post #4 of 7 (permalink) Old Nov 26th, 01, 06:02 PM Thread Starter
ded
 
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The equation will be simple once i ask my father

But thank you guys!!!!!

So far, this website has been the best at solving my problems, and i don't even think my "newer" car questions would be answered by you guys.

Thanks alot!
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post #5 of 7 (permalink) Old Nov 26th, 01, 06:36 PM
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Tom
 
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Use a C-clamp and adjust it so it just fits over the pipe. Then measure the opening of your clamp this will tell you the outside diameter.

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post #6 of 7 (permalink) Old Nov 26th, 01, 07:49 PM
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I'm no math expert but I believe if you measure around the whole pipe (circumference) in a complete circle then divide by 3.1416(PI)you will get your diameter.
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post #7 of 7 (permalink) Old Nov 27th, 01, 03:05 AM
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John
 
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sschevyfan is correct. Circumference = pi x diameter. So, use a string to measure around your pipe and divide by pi.
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