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Home > General Chat > calculating cylinder head spec

sean g

173 Posts
Member #: 9184
Advanced Member

lancashire bolton

13th Mar, 2011 at 06:15:51pm

Hi all

Just stripped my engine and got be thinking about the spec of the new engine.
How do you determine what cylinder head spec is needed for new build (porting-valve size etc )

What will the the shop(porter) need to now about the engine

Any help would be great

Cheers sean


bennyy

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2233 Posts
Member #: 9037
Post Whore

Doncaster, yorkshire

13th Mar, 2011 at 08:07:18pm

I would personally get a benross head, he knows what works and does a cracking head.

Audi s4 b5 - 470bhp & 486ft lbs

On 15th Mar, 2012 wil_h said:
Yes, Carl says he gets requests for rimming all the time

On 30th Apr, 2012 Brett said:
yeah stick the bit in and give it a wobble *wink*


Miniwilliams

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5329 Posts
Member #: 140
Proven 200+bhp & Avon Park 05,06,07 Class D 3rd place

13th Mar, 2011 at 08:15:43pm

Yes Benross or TurboPhil seem to do good job.

Best 1/4 mile 13.2 seconds @116 mph
First 5 port miniturbo to make over 200 bhp on a carb?
First 5 port miniturbo to make over 200 bhp on Injection?

http://www.mattwoodsphotography.com

Miniwilliams

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5329 Posts
Member #: 140
Proven 200+bhp & Avon Park 05,06,07 Class D 3rd place

13th Mar, 2011 at 08:28:31pm

I was going to say TurboPhil gives good head....... but that sounds wrong is some way!

Best 1/4 mile 13.2 seconds @116 mph
First 5 port miniturbo to make over 200 bhp on a carb?
First 5 port miniturbo to make over 200 bhp on Injection?

http://www.mattwoodsphotography.com

hazpalmer

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1648 Posts
Member #: 9038
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Carlisle, Cumbria

13th Mar, 2011 at 08:30:33pm

depends what you want your engine for, speak to phil and benross. And as matt said im sure they will do a good job *wink*

scott the joiner

461 Posts
Member #: 9229
Senior Member

newcastle upon tyne

13th Mar, 2011 at 09:14:20pm

I've got a turbo phil head & was very impressed of the quality of work & the fact you could just get the chambers opened to lower the comp to run more boost which is all I have done for starters


Gaball

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334 Posts
Member #: 7169
Gobshite that posts wank videos.

Somerset, UK

13th Mar, 2011 at 11:47:27pm

The 4 stroke performance tuning book has all the equations to work out valve size and port size in relation to eachother....
But if your planning on buying one as the other said :)

Gaball said:
Motorsport Engineering Student
Project Car 1293 Turbo Mini (on a student budget)

On 7th Oct, 2010 apbellamy said:
Carbon but plug?

sean g

173 Posts
Member #: 9184
Advanced Member

lancashire bolton

14th Mar, 2011 at 07:04:32am

Thanks for the suggestions fellas

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