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Home > Help Needed / General Tech Chat > Question for supercharging

Giancooper

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Member #: 2402
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3rd May, 2008 at 12:55:29am

Hi guys I'm from italy, but I left 1 year in London,I love it... and the mini.(sorry for my engish)In this forum I saw a very "big" mini and great good job...

Now my project is..
An eaton m45 on front of the engine whit a blow-through system whit an intercooler...

How many psi I can run whit my n/a engine trasformed to supercharged whit 8.2 cr?

I modify an a N/A hiff 44 to turbo one, I put the seals on the dashpot and change the needle... after? what I need to change?
I need same help from Italy

Edited by Giancooper on 3rd May, 2008.


wil_h

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9258 Posts
Member #: 123
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Betwix Harrogate and York

3rd May, 2008 at 08:53:26am

With that CR and an IC, you could in theory run 20psi with everything set up well.

However the M45 is pretty inefficient after 10psi, so you'd be wasting your time,.

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



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.


Giancooper

39 Posts
Member #: 2402
Member

3rd May, 2008 at 09:58:15am

Thanks, so I'm going to 10 psi, and for the hiff 44?

What I need to change after the seals on the dashpot and the needle?

Edited by Giancooper on 3rd May, 2008.


wil_h

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9258 Posts
Member #: 123
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Betwix Harrogate and York

3rd May, 2008 at 10:29:07am

The other crucial part of the turbo carb is the plenum. This has a restrictor ring in to ensure that the floatbowl pressure is above the charge pressure.

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



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.


Giancooper

39 Posts
Member #: 2402
Member

3rd May, 2008 at 10:41:39am

I have the metro turbo plenum....
But I don't now if the needel valve or other component of the carb are the same...

Edited by Giancooper on 3rd May, 2008.


wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

3rd May, 2008 at 02:43:37pm

The carb is identical other than the seals as far as I know

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



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.

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