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turbominij

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514 Posts
Member #: 2104
Post Whore

Essex - UK

i am currently running the following med engine

1293cc
MED profile T3 ground by Piper cam
ARP 11 stud head kit
F.I.S. head
1.5 roller tip rockers
x pin dif

with a T2 turbo running 12psi of boost and a rs Turbo intercooler
i am also using a turbo dizzy and normal turbo hif44 carb

what power would you expect at the wheels?
i currently have 106bhp is this about right

"Tuning should be a compromise between what is possible and what is necessary"

10)Thou shalt always quest for more power


Mr Mini

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184 Posts
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Portsmouth

Sounds low for 12psi?

Chris.

1310cc TWINK - T Conversion


wil_h

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9258 Posts
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Betwix Harrogate and York

106 at the wheels seems ok. 12psi should easily net over 140bhp at the fly with the right head, cam aind IC.

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.


theoneeyedlizard

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The Boom Boom speaker Police!

Essex

Which rolling road?

In the 13's at last!.. Just


turbominij

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514 Posts
Member #: 2104
Post Whore

Essex - UK

ATSPEED near southend the guys in there are realy friendly and helpfull

only reason i asking is to see if im about right or something is out and i should have more.

"Tuning should be a compromise between what is possible and what is necessary"

10)Thou shalt always quest for more power


Paul S

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Formerly Axel

Podland

You should have more than that. We've seen 150hp at the flywheel from 10psi.

Looking at the pictures in your other thread, the problem is most likely your intercooler location.

It is just not getting any air flow to do it's job properly.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


turbominij

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514 Posts
Member #: 2104
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Essex - UK

right so is it a case of getting it down the front or do you recon it would be ok with getting some cowling on it to duct the air up to it as im trying to keep everything contained in the engine bay hidden



also what power would 150 at the fly be at the wheels

Edited by turbominij on 5th Dec, 2008.

"Tuning should be a compromise between what is possible and what is necessary"

10)Thou shalt always quest for more power


Paul S

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8604 Posts
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Formerly Axel

Podland

You should be able to get intake temps down to around 20 degrees C this time of year.

However, you are probably getting more than 50 degrees C.

The difference in air density from 50 to 20 degrees is about 10 percent, which equates to 10 percent power.

You can run more advance with a better placement of the intercooler, but it is the improved density of the incoming charge that will up the power.

Typical gearbox losses are 20-25hp apparently.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."


PaulH

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Dublin Ireland

is the gear box straight cut or Helical

On 17th Feb, 2009 Rob H said:

I find the easiest way is to super glue the bolt to the end of one of my fingers.

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BENROSS

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Resident Cylinder Head Modifier

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

my guess that the head is standard






turbominij

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514 Posts
Member #: 2104
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Essex - UK

the head is as flollows quoted from the med website


Fitted with our Gold quality 1.5 roller tip rockers, ARP 11 stud head kit and F.I.S. head with special non squish combustion chambers with 29.0cc for low compression, with 36.0 and 30.0 plasma nitrided valves with waisted stems and 3 angle valve seats to maximize air flow, alloy bronze guides with special tapers, ports fully modified with full valve guide boss removal and extra detail to the exhaust ports for extra flow. Lead free inserts fitted for the use with unleaded fuel and dual rate double valve springs

http://www.med-engineering.co.uk/product_d...58&vlang_id=202

the gearbox is a helical with cross pin diff

"Tuning should be a compromise between what is possible and what is necessary"

10)Thou shalt always quest for more power


turbo hogster

1641 Posts
Member #: 178
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stowmaket suffolk

personaly i would nt put any more power through the standard box,

but at 12 psi i would be expecting around the 140 bhp fiq so around 115 ish at the wheels so you are about 10 hp down which could be down to the IC.

always looking for them bigger bunches of bannanas


Carl

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liverpool-on-sea

i personnally think that the figure means fuck all, no rolling roads are the same, if your happy with how it drives and your confident that its been set up "safe" that is whats important imo.

no longer a series, but still 1.3 turbo.

On 28th Nov, 2008 Sprocket said:
Oh now that is a long shaft you have Carl.


wil_h

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Betwix Harrogate and York


On 6th Dec, 2008 Carl said:
i personnally think that the figure means fuck all, no rolling roads are the same, if your happy with how it drives and your confident that its been set up "safe" that is whats important imo.



That's why we use 'bananas' instead of BHP on TM.

As long as the losses are measured at the RR the flywheel figure is just as 'accurate' as at the wheels. And unless you know the losses the wheel figure is pretty pointless IMO. we all have a feel for what an engine should make, but estimating losses is just a guess (one flat tyre can cause massive losses).

This engine should make in excess of 140bhp, but what that translates to at the wheels is unknown.

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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