TT2 Power
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Well here it is. Well it's an excel spreadsheet graph I have created from the printout. It is actually a bit smoother than it appears here.

Figures are 155 bananas @ 6850 and 125 curlywurlys @ 5900

Edit: all at 15psi

I'm reasonably happy with this, but it is a bit revvy now with less power low down than the T2, we shall see how it drives.

Edited by wil_h on 5th Jul, 2007.

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

Wow guys thats great going!

I bet you can't wait to get out doing some sprints and hills now, are you doing any in my part of the world later in the year, I'll have to come and watch.

Monster power for a 998. You guys really are at the top of your little tiny game.

too right Good work, nice payback for the ballache of sorting those manifolds and downpipe

Impressive as usual guys ! :)

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Great result, especially for 15psi.

Just shows what can be done with a good turbo selection and an efficient intercooler setup.

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."

Very Impressive.

this is the GT1752 right?

I presume the lack of bottom end is due to it coming on boost later due to the larger turbo, Where doe it boost from on a 998?

VERY good results for 15psi - dare I ask / suggest a little too good for such low boost? I'd have thought 22psi or more whould be needed to make 145hp at 6000 rpm?

That said, the whole power looks great; and the response is about what you'd have to expect for the GT17 turbine with just 998cc's pushing it - especially compared to a 0.35 T2 turbine.

I think that so long as you're happy to keep the engine spinning to keep the turbo up, this will be nicely; if you find yourself bogging down mid corner, it might not be so great though?
All the more reason to go for full injection once it is develloped. :)

I checked the numbers.

78% compressor efficiency, 82% Ve and a 90% intercooler efficiency gives 154hp at 6850 - so I reckon it's OK.

A bit optimistic on the intercooler but given the cold weather and starting from cold etc etc. I think reasonable.

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."

Cheers guys.

I think the bogging down might be an issue, but we'll see how it goes. It's still got 80 bananas at 4500rpm, which is what the T2 had.

Avon here we come

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

looks good! Always been impressed by your cars

Team Racing

Excellent!!! Good work

Very impressive indeed, never seen so many bananas extracted from a 998cc a'series! Well done

-MINI CLUBMAN 1380 TURBO-

we should not forget that Peter put a dyno plot from his 998 engine, eventhough he has left...

Nevertheless, a VERY nice result guys! Good luck in this seasons racing!

thats pretty amazing to me, the tiny old a motor hey! i'm quite taken back by the amount of power from a 998T big congrats from me

!!!well done!!! persistant is the word!

SKYLINES ARE LIKE CLITS, EVERY FLANGE SEEMS TO HAVE ONE: see this sticker on my silvia

the Search-section on this forum is blummin superb & simple to use, unlike some other forums, without the search-section & the help of this bunch of chaps on here i'll never be able to !!!Start the day with a 998cc turbo!!! :) i'm getting closer though!

Tom Fenton says: I have it all, make me an offer

thats pretty amazing to me, the tiny old a motor hey! i'm quite taken back by the amount of power from a 998T big congrats from me

!!!well done!!! persistant is the word!

SKYLINES ARE LIKE CLITS, EVERY FLANGE SEEMS TO HAVE ONE: see this sticker on my silvia

the Search-section on this forum is blummin superb & simple to use, unlike some other forums, without the search-section & the help of this bunch of chaps on here i'll never be able to !!!Start the day with a 998cc turbo!!! :) i'm getting closer though!

Tom Fenton says: I have it all, make me an offer

Nice work. That power curve looks brutal.

Are you going to compete at gurston down any time this year? I missed it in action last year.

Well done guys...thats alot of nana's and culys from a 998! :)

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

10 degrees less duration and a smaller turbine a/r would bring up the bottom end wil. looks good though well done :)

Edited by robert on 5th Jul, 2007.

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

We will be at Gurston (if we get an entry) late in August. 25/26 IIRC.

http://www.twin-turbo.co.uk
http://www.hillclimbandsprint.co.uk/default.asp

A man without a project is like a like a woman without a shopping list.

wil could you do me a graph of your old t2 power with this one on top of it to compare ?

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

Excellent guys!

Ok here is a graph of the T3, T2 and GT17 power.

The T2 graph is a little missleading, firstly because we found mor power but never got it RR'd and secondly we never actually rev it past 7k.

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

SUPERB wil
well i can claim a little hand in this if its the head i cut for you which is fitted

well thats encouraging isnt it !
specially since there are a load of smaller a/r turbine housings out there.thanks for that wil .

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM