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Home > A-Series EFI / Injection > 7 port injection vs 5 port injection both turbo..

wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

18th Oct, 2011 at 05:01:01pm

I considered making Mark an offer on them when I saw them. Small bore head, would have been great.


On 18th Oct, 2011 Vegard said:


On 18th Oct, 2011 Ben H said:
The mods are basically the same for fitting a 12G940. Pocket the block and fit a 1275 head gasket.


....or fit a proper 7 port:

http://www.theminiforum.co.uk/forums/index...howtopic=113809

*happy*

Fastest 998 mini in the world? 13.05 1/4 mile 106mph

www.twin-turbo.co.uk

On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


fredski

10 Posts
Member #: 9558
Member

Netherlands

19th Oct, 2011 at 03:52:15pm

I see several people are using a 7-port head.
which brands are you using and what are the experience with them ? any issues I should look out for?
till now I have found 7-port heads available from Specialist Components, Webcon, MED
any recommendations?


Joe C

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12307 Posts
Member #: 565
Carlos Fandango

Burnham-on-Crouch, Essex

19th Oct, 2011 at 03:59:59pm

the SC one, thje reasons being...

it has incector pockets in the head which will make manifold construction much easier,

the ports are the right size for the valves so you wont get low gas speeds like with the other 7 ports,

as the ports are smaller you can make a smaller plenumn so fitting it all in woll be easier.

being billet you dont get core shift issues associated with the other 7 ports.



On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/


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