displaying posts 1 to 4 of 4

Author Subject: Exhaust Bore
cjm_harris

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Location: Parts for Sale section

Registered: 04 Dec 2007

Posts: 7,442

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Post #1
I am trying to find out my exhaust bore, I assume it is based on diameter?

I thought it was a 2.25" system, but I measured the outer circumference which was 6". Now, my maths isnt brilliant but is diameter circumference/pi? If so that makes the diameter about 2"?

Is that the bore size?

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Chris
1999 China Gti6 Supercharged Devil [Fun car] >>Project Thread<<
2000 Bianca 306 Diesel [Work runabout]
Posted 30th Jun 2011 at 13:31
cwspellowe

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Location: Calderbank

Registered: 19 Jul 2009

Posts: 6,496

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Post #2
Erm? that's small if that's the case, 6" circumference = 1.91" diameter (bore)

Take off a couple of eighths of an inch for thickness of the steel and you're left with an effective flowed bore of 1.76" approx? Something doesn't sound right to me Dunno you'd be looking at an outer circumference of around 7" for a 2.25" system

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Bye bye Sundance Kid Sad
Posted 30th Jun 2011 at 02:48
chris167

Seasoned Pro

Location: hull

Registered: 14 Dec 2007

Posts: 1,181

Status: Offline

Post #3
205 pea shooter exhaust LOL

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Posted 30th Jun 2011 at 10:58
cjm_harris

Seasoned Pro

Location: Parts for Sale section

Registered: 04 Dec 2007

Posts: 7,442

Status: Offline

Post #4
Doesnt seem right to me either No

It's a full Longlife system and was sure it was meant to be a 2.25".

I am going to double check the tape measure tonight. Lets hope that it doesnt start counting until an inch into the roll Laugh

________________________________________

Chris
1999 China Gti6 Supercharged Devil [Fun car] >>Project Thread<<
2000 Bianca 306 Diesel [Work runabout]
Posted 30th Jun 2011 at 13:33

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