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Home > General Chat > Inlet manifold question..?

Si P

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North Yorkshire

4th Jun, 2008 at 10:34:56am

Just need to know what to use with regards to using a mirage set-up.

Do you have to use a metro turbo inlet manifold or a N/A metro manifold.?

Cheers

SI

I drill holes in everything..!

Si P

784 Posts
Member #: 912
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North Yorkshire

4th Jun, 2008 at 12:07:16pm

Sorry, :$

Wrong section I think. Maybe better in Help Needed. Admin please move.

Ooops...!

Si

I drill holes in everything..!

wil_h

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Betwix Harrogate and York

4th Jun, 2008 at 12:18:27pm

You can use either. I prefer the turbo one, but one of the fastest roadgoing turbo minis in th world uses the N/A one iirc.

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.


Si P

784 Posts
Member #: 912
Post Whore

North Yorkshire

4th Jun, 2008 at 12:44:48pm

Thanks Wil_h

I have a turbo one at present. But just wondered. Pro's and con's of the N/A one.? using a miirage set-up.

Space saving or performance?

Si

I drill holes in everything..!

Ric

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Basingstoke

4th Jun, 2008 at 01:45:32pm

I think they are both good for flow, but one is deeper than the other so needs special washers. I could be way off though... where's nic?

Kean

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2406 Posts
Member #: 341
aka T2clubby

South Staffs

4th Jun, 2008 at 05:53:20pm

If you use the turbo one you will need to make the flanges thinner so that they match up with the mirage ones.

Not much of a job really.


iain
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Sold the turbo and seeing what the C20XE can do!

Near Lincoln

4th Jun, 2008 at 05:59:09pm

yup, i use the turbo one, just thin down the flanges. fairly straight forward but takes a while.


Nic

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9326 Posts
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First mini turbo to get in the 12's & site perv

Herefordshire

4th Jun, 2008 at 06:26:14pm

ive got a regular mg mutro one as wil said

Bat

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Bermingum

4th Jun, 2008 at 06:45:17pm

Hi,
I spoke to Richard at Mirage and he said the manifolds were designed for the non-turbo manifold, but as said above you can modify the turbo one and probably use some aftermarket ones too?
Cheers,
Gavin:)

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Jay#2

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Northern Ireland (ex AUS)

4th Jun, 2008 at 07:27:29pm

When you say thin the flange, do you mean maching the manifold face or just grind a bit off where the nut and washer bolt up to?

On 7th Nov, 2008 Nic said:
naeJ
m
!!!!!!sdrawkcab si gnihtyreve ?droabyekym ot deneppah sah tahw ayhwdd


wil_h

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Betwix Harrogate and York

4th Jun, 2008 at 07:32:36pm


On 4th Jun, 2008 Jay#2 said:
When you say thin the flange, do you mean maching the manifold face or just grind a bit off where the nut and washer bolt up to?


Thin it down from the nut side.

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.


shane

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2643 Posts
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Lowestoft, Suffolk.

4th Jun, 2008 at 10:42:23pm

This is the best pic I could find of mine (using metro turbo manifold) but you can just about see enough to get an idea.
Cheers
Shane


Jay#2

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Northern Ireland (ex AUS)

4th Jun, 2008 at 10:51:31pm

Ah yes, I was thinking about machining the face as I get the benifit of moving everything closer to the head and maybe gaining a few extra mm clearance between plemum and bulkhead. I have a central speedo and even with the angle drive on the speedo cable it's getting mighty tight!

On 7th Nov, 2008 Nic said:
naeJ
m
!!!!!!sdrawkcab si gnihtyreve ?droabyekym ot deneppah sah tahw ayhwdd


Bat

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Bermingum

4th Jun, 2008 at 10:52:01pm

Hi,
No good me posting up pictures, mines upside down! *surprised*
I do use an MG N/A inlet though.
Cheers,
Gavin :)

VEMs Authorised Installer / Re-seller. K head kits now available!

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Visit www.doyouneedabrain.co.uk

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Si P

784 Posts
Member #: 912
Post Whore

North Yorkshire

5th Jun, 2008 at 08:43:47am

Cheers for the info guy's.

I've just had the same issue with my N/A manifold for my 48IDA. Thickness of 14mm as apposed to exhaust manifold thickness of 8mm.So i had some step washers machine to compensate for the difference.

Only reason i did it this way was to maintain the inlet length. But for a turbo setup i don't think it would matter so much.

Si

I drill holes in everything..!

Bat

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Bermingum

5th Jun, 2008 at 06:34:52pm

Hi,
If you machine / file the washer side of the flange down it won't change the inlet length *wink*
Cheers,
Gavin :)

VEMs Authorised Installer / Re-seller. K head kits now available!

WB/EGT gauges. Click here for customers write-up

Visit www.doyouneedabrain.co.uk

My Mini build diary

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