So how many 200 brake + FULL A Series minis do we have on now??
Turbo Mini Forums

The SC dyno run gave 130hp at 7500rpm which is plausible in VE & BSFC terms.

129hp at 6000rpm on the RR is totally improbable. 25% higher VE would be required.

As I said, it's all bananas.

Torque curves are being heavily skewed by inappropriate inertia assumptions for the engine and drivetrain.

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."

Well by my calculations it's 133% ay 6k, which is still not achievable.

However, there was definately rpm issues with the rolling road, so making an assumption that max bhp was at 7k then you get 114%, which is maybe possible.

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

Didn't Phill Hepworth and Howley Racing manage 200+ with the Austin Rover Works TCC Metro Turbos back in the 80's?

If something is worth doing, it's worth doing half of.

Paul are you still using your 0.4 ish bsfc to calculate turbocharged a-series flow?

I really don't understand how can that much people does think that this pre world war pushrod engine could manage values around 0.4 bsfc and ve's superior at 85%.
I'm standing to be corrected:

Anything near 0.50 bsfc and 90% is on the very high side, certainly most are around 80% ve and 0.55 bsfc.
anything around 100%ve and 0.4 bsfc doesn't make any sens, those dyno numbers are welcome as bananas.

I use 0.5 BSFC and 95% VE. I've never used 0.4 BSFC.

Only because this fits most of the "believable" dyno figures.

My figures may well be too high, but that would then mean all the dynos are reading too high.

Don't assume that 95% VE is not possible as I think many have proven that an NA A series with correctly tuned exhaust and the right cam can get higher than 100%.

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."

im confused with this maths. aslong as its an a-series block and gearbox thats good neough for me. id have 16vkad head if i had the money. but i havnt so 5port it is

ooh its all kicking off! as Paul S states correctly I know my 130bhp is not at 6000rpm, (Robert I'll get you the dyno curve to add as an overlay) on the Schenk engine dyno we run it made 130 as near as dammit at 7500rpm - in your post you said you didn't believe the figures - I think the peak power figures are near the mark but the rpm values are skewed, torque figures will be skewed as well, but the peak numbers are in the ballpark.

JK

If Carling made Mini engines
it would probably be like this one!

You're short on memory paul, some years ago you've been pretending about 0.41 bsfc and 82% ve .

John there's nothing I could know about the schenk engine dyno, and your post about how much power you find with your own head and dyno.
my point here just relate to those dyno figures of well built supercharged 5 porters and a big deep with these:
240bhp at 19 psi, 20 psi??????????????

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."

still 10% outoff

Fab, thats the point of me taking the car to these sort of events to prove its credentials! 130ish on a rolling road, 130 ish on an engine dyno - is a good comaprison to me! We do not bull or over inflate our figures and as far as I know only ourselves and KAD publlish any sort of dyno data from our engines as proof of what they do - so pls don't go down that road.

Of the people I talked to there I know that Matt W has had his engine on the dyno near his hometown and I think the results match pretty well. Graham Harvey with the 998 turbo at 160ish hp has done all of his development on Emeralds rollers over a good few years - again the results match pretty closely. I think the other high power cars ran at the rolling road last year - so don't know how the figures compare between these cars on the two different rollers.

All dybo's are comparison machines and the comparisons across these machines tie up enough to make the numbers be in the ball park - how these guys have done it I don't know I'm not a 5 port turbo expert.

Matt - apologies for thread hi jack

JK

If Carling made Mini engines
it would probably be like this one!

Difficult:
my point doesn't rely on your power credibility,
it's your commercial argument and I would not walk on this, regarding me your stuff is over the top and I hope I could buy one's of your work of the art cylinderhead, I just releved that the rpm/power curves were not possible, something you're ok with as stated.

Then turbocharged a-serie is something that I think I have a good handle today, and I would like to understand how's this much power is produced on this "lowish" boost, as engines tested on these boost /set up some years ago were producing aroud 180/190 bhp then hurting on this wall even when upping the boost

In my opinion, Chassis dynos shouldn't be taken as gospel. With so many manufacturers, operators and ways of calculating the power there are are too many chances of error, hence bananas and Curley wurleys.

As long as your happy with how the car performs, whether on the road, strip, or track that's all that really matters.

Edited by sturgeo on 6th Oct, 2010.

Maybe cause 220 bhp and 16psi doesn't work together in the a serie world, these are paper bhp.

the question: how many 200 brake + full a serie?
Maybe 200 bananas 5 porters.
These RR shoot out numbers are only possible in dreams, then that's that is making living, and commercial money.

Will not disturb this thread anymore.

I found this quote by Trevor Langfield (The Wizard Of NOS) on the WON Forum. Sums up this topic very well.

though to be closed but:
that's just resume that you're not understanding your stuff sprok, how many a-series turbo have you built?

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."

Yeah and perpetual motion is real no matter what the laws say...

http://www.jbperf.com/

WWW.TURBO-MINI.COM

How much boosts phil?

If something is worth doing, it's worth doing half of.

Yeh, 16.4 is pretty specific and accurate. No one speaks numbers like that, its usually 16 psi or 17 psi or 16.5psi