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Outside pipe diam to find out inside diam
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DRR Sportsman
Picture of Da Shoe
posted
Ok so I am 1700 miles away from a car im looking to buy. Seller says outside diam of collector is roughly 12.5, So I would assume this is a 4 inch collector?

And Outside Diam on exhaust tubes are roughly 7 inches, so what size would the tube be?
 
Posts: 611 | Location: Da Swamp!!!! | Registered: October 30, 2006Reply With QuoteReport This Post
DRR S/Pro
Picture of CURTIS REED
posted Hide Post
If you mean the circumference then probably 2 1/4" would be my guess.

https://www.omnicalculator.com/math/circumference



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Posts: 3143 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
DRR Sportsman
Picture of Dave Koehler
posted Hide Post
He used a tape measure around the pipe, correct?
That is circumference.
Google circumferential to diameter to find a calculator.


Dave Koehler - Koehler Injection - http://www.koehlerinjection.com
Fuel Injection - Nitrous Charger - Nitrous Master Software - Balancing
99% of fuel injection problems are electric.
 
Posts: 364 | Location: Urbana, IL 61802 | Registered: December 03, 2003Reply With QuoteReport This Post
DRR Pro
Picture of Brktracer
posted Hide Post
Assume 12.5 is circumference.
12.5/pi = 3.98

4" diameter

7/pi = 2.23" so 2 1/4"


Matt Ward



 
Posts: 1395 | Location: South Carolina | Registered: March 20, 2004Reply With QuoteReport This Post
DRR Sportsman
Picture of Da Shoe
posted Hide Post
Thanks for the help, just trying to figure out what size Collector Tether to order. Without the car here kinda tuff, but I need them here for when it gets here so I call roll out to a race.
 
Posts: 611 | Location: Da Swamp!!!! | Registered: October 30, 2006Reply With QuoteReport This Post
DRR Top Comp
Picture of wideopen231
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And here we see teacher was right you will need that math stuff in life.LMAO

Heck other than lunch(poker game time)
and Biology(using females to study on would have been better) it was only class I liked




America home of free. Brought to you by 2nd amendment.
 
Posts: 4527 | Location: Greensboro NC | Registered: May 24, 2011Reply With QuoteReport This Post
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