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Home > 998cc > CR/boost

froggy

46 Posts
Member #: 351
Member

Hi,

I'm building my first 998 turbo and I'd like to have some advice.

How many psi can I run with a 8,5 CR??

This engine is an old A-serie fitted with a T3 (large enough,isn't it*tongue*).

What kind of lag I'll obtain with this config??

I heard that boost will comes around 4000rpm...

Regards.

French turbocharged 998cc


wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

With 8.5 CR you could run over 20psi I should think, I've run 18 with similar CR and a Metro T3 (I assume you have the Metro T3).

You're not far off with where the power will come in, see my graphs below.

http://www.turbominis.co.uk/_photos/random-photos/74/550.jpg

http://www.turbominis.co.uk/_photos/random-photos/74/551.jpg

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.


froggy

46 Posts
Member #: 351
Member

ok, thanks a lot for these informations.

Yes I 'll fit a Metro T3 with a MG Metro cam.

Best Regards.

Turbominis forever

French turbocharged 998cc


froggy

46 Posts
Member #: 351
Member

ok, thanks a lot for these informations.

Yes I 'll fit a Metro T3 with a MG Metro cam.

Best Regards.

Turbominis forever

French turbocharged 998cc


Bat

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4559 Posts
Member #: 786
Post Whore

Bermingum

Hi,
You may be able to get it to come on boost abit quicker using Megajolt ignition.
I'm assuming Wil wasn't using it for that dyno run?
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


wil_h

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9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

That was pre MS actually.

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.


matty

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8297 Posts
Member #: 408
Turbo Love Palace Fool

Aylesbury

Don't forget the all important intercooler...*wink*

https://www.facebook.com/pages/Fusion-Fabri..._homepage_panel

www.fusionfabs.co.uk



1/4mile in 13.2sec @ 111 terminal on 15psi


BENROSS

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9812 Posts
Member #: 332
Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem




On 3rd of Aug, 2007 at 08:19am matty said:
Don't forget the all important intercooler...*wink*



agreed with matty this is a must if you want free extra power *wink*






froggy

46 Posts
Member #: 351
Member

Ok, thanks a lot guys.

In fact, I have no S/C gear box so I'd like to obtain about 100-110ch

My engine will be fitted with:
-Opel(Vauhxall) 1,7D intercooler
- Megajolt device
- Metro T3
- Maniflow 2" exhaust system
- verto blue diaphragm
- oil pump???

I think with a 8,5 CR and something like 10 psi of boost, I'll be rigth.

Is it OK?

French turbocharged 998cc


froggy

46 Posts
Member #: 351
Member




On 7th of Aug, 2007 at 05:32pm froggy said:
Ok, thanks a lot guys.

In fact, I have no S/C gear box so I'd like to obtain about 100-110ch

My engine will be fitted with:
-Opel(Vauhxall) 1,7D intercooler
- Megajolt device
- Metro T3
- Maniflow 2" exhaust system
- verto blue diaphragm
- oil pump???

I think with a 8,5 CR and something like 10 psi of boost, I'll be rigth.

Is it OK?


I forgot...

I also have fitted a MG metro camshaft and a 1300 turbo head*smiley*

French turbocharged 998cc


wil_h

User Avatar

9258 Posts
Member #: 123
Post Whore

Betwix Harrogate and York

10psi should easily see 100bhp with that setup.

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.


froggy

46 Posts
Member #: 351
Member

Thanks a lot guys.

I'll put some pictures in a few weeks.

Regards.

French turbocharged 998cc

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