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Old 16 January 2015, 08:24 AM
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smi2ml
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Default Where to get headers ported

Hi I'm thinking of getting my headers ported, im based in northampton and was wondering if anyone could recommend on who could do this for me,? Is there a company who does this via mail order? Thanks in advanced
Old 16 January 2015, 08:49 AM
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MattyB1983
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Speak to Alyn at AS Performance
Old 16 January 2015, 09:11 AM
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Ok will do thanks
Old 16 January 2015, 09:17 AM
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Or Jamie at JamSport are very good.
Old 16 January 2015, 09:18 AM
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Originally Posted by Fletch84
Or Jamie at JamSport are very good.
Ok thanks
Old 16 January 2015, 09:57 AM
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fl@ four
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http://www.northamptonmotorsport.com are very well regarded. They offer CNC milled heads, so will no doubt have contacts if they can't port themselves. May be worth a butchers...
Old 16 January 2015, 10:17 AM
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Lunchmoney
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On the subject of "ported headers" could someone please explain what that is?
Old 16 January 2015, 10:18 AM
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smi2ml
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Originally Posted by fl@ four
http://www.northamptonmotorsport.com are very well regarded. They offer CNC milled heads, so will no doubt have contacts if they can't port themselves. May be worth a butchers...
Cheers
Old 16 January 2015, 11:50 AM
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Originally Posted by Lunchmoney
On the subject of "ported headers" could someone please explain what that is?
It's basically smoothing out the ports on the exhaust manifold, thus making it flow a little better.
Old 16 January 2015, 12:03 PM
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Lunchmoney
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Thank you
Old 16 January 2015, 12:37 PM
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bludgod
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Originally Posted by MattyB1983
It's basically smoothing out the ports on the exhaust manifold, thus making it flow a little better.
I'd say a lot better - port matching to the block/gaskets and the turbo can see a few hundred RPM reduction in spool time plus more torque to boot and well worth it on the standard items.

You can see the difference in metal removed :


And still within the line of the stock gaskets - more flow = more go!

Last edited by bludgod; 16 January 2015 at 12:39 PM. Reason: picture worth 1000 words
Old 16 January 2015, 04:58 PM
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smi2ml
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Originally Posted by bludgod
I'd say a lot better - port matching to the block/gaskets and the turbo can see a few hundred RPM reduction in spool time plus more torque to boot and well worth it on the standard items.

You can see the difference in metal removed :


And still within the line of the stock gaskets - more flow = more go!
Please can you advise who done this for you? or can you do it your self?
Old 16 January 2015, 06:37 PM
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GUNNER
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Been thinking about doing this to, but i guess after its been done (at home) the headers need washing through? due to swarf left behind inside. whats best to use, power washer,petrol,degreaser etc??
Old 16 January 2015, 06:40 PM
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JamieJerkovic
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Interested in this thread, surely cheaper to port headers + match up pipe that pay £500 for rcm headers
Old 17 January 2015, 04:58 PM
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I did my own at home, used a small conical grind stone in a drill. Also ground the heat shield off and wrapped them afterwards.





Old 17 January 2015, 05:04 PM
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JamieJerkovic
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So Harvey headers are just basically ported OEM ones?

Think ill go with RCM headers.
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