will going from a 3" bore to a 2.5" exhaust bore increase backpressure?
17-08-2008 | 05:13 PM
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From: west wickham - kent
will going from a 3" bore to a 2.5" exhaust bore increase backpressure?
as title, i know it sounds thick but am extremely hungover today!
17-08-2008 | 05:14 PM
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From: edinburgh
i would of thought so mate
17-08-2008 | 05:15 PM
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From: Location: Location:
Technically yes, the more relevant question is 'by how much?'
17-08-2008 | 05:16 PM
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From: Don't be nosey
Yes, it's when you go the otherway you'd be ok..
17-08-2008 | 05:25 PM
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From: edinburgh
ive got a straight through mongoose with only back box its 11years old and doesnt have much baffles left in it,its loud as fuck
and it is still restricting my cars power,everytime its on the rollers it blows the gas anyliser over,and its on an axle stand
17-08-2008 | 05:58 PM
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From: west wickham - kent
thanks guys just measured my scorpion system with a tape, its roughly 22cm all round, so what bore would it be?
17-08-2008 | 06:18 PM
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From: London
2.5" bore then...
17-08-2008 | 06:20 PM
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From: west wickham - kent
just measured my standard ford exhaust and thats a 2" bore only!
18-08-2008 | 02:22 PM
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From: In my Cosworth
Quote:
Originally Posted by
paceo
thanks guys just measured my scorpion system with a tape, its roughly 22cm all round, so what bore would it be?
Diameter = Circumference divided by Pi
22cm / 3.142 = 7.00 cm = 2.75 inches
18-08-2008 | 04:38 PM
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Joined: Apr 2006
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From: west wickham - kent
Quote:
Originally Posted by
cozmeister
Diameter = Circumference divided by Pi
22cm / 3.142 = 7.00 cm = 2.75 inches
thanks mate, id imagine about 2.6 because i have to take in the thickness of the steel!
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