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Paul Drane
DieHard
QLD
V8 Limited

Posts: 614
Reg: 07-2005

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 Sunday, February 08, 2009 - 09:51 am, by:  Paul Drane (Paulwd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Below are couple of links from a post at Clublexus by Ryan who is nearly finished building a twinturbo SC400.

Interesting read about what can be done with supercharging, even though this a centrifugal charged 1UZ, the figures are very impressive.

How about 1005 hp from a 1UZ with a stock block and cams.





http://www.evo.co.uk/carreviews/evoc...all_omega.html

http://www.rats.no/omega_tg.html
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 4593
Reg: 03-2006

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 Sunday, February 08, 2009 - 12:34 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Thats crazy isnt it Paul :-) BY the way, im keen to see what yours will do with 15psi and tuned :-)
Steven Anderson
TryHard
NSW
UZZ31 Manual

Posts: 323
Reg: 05-2006

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 Sunday, February 08, 2009 - 01:47 pm, by:  Steven Anderson (Cusscuss) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Daniel Clarke wrote on Sunday, February 08, 2009 - 04:33 am:

Steven, I know alot about superchargers, My old man had a blown windsor . And we read everything about them for over 10 years from the states.

Fact = centrifigually blown soarer has quickest et and rwhp in aus to date.



Compared to what? How many twin screw soarers have been run down the 1/4? Paul have you ever run yours?

And regarding rwhp, did you even read this link?
http://www.musclemustangfastfords.com/tech/mmfp_0412_ford_modular_motor_forced_induction/photo_14.ht ml

If you did, you would know that just having a high peak figure is not the be all and end all. Especially with a centrifugal supercharger.
Paul Drane
DieHard
QLD
V8 Limited

Posts: 615
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 Sunday, February 08, 2009 - 02:21 pm, by:  Paul Drane (Paulwd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
No Steven, mine has not been down the 1/4 yet due to an engine fire from a blown injector "o" ring, soon after those pictures where taken.
Caused a fair bit of damage, especially to the loom and some sensors. After a lot of repair work and fault finding, then putting the new ECU in, it was decided to change the engine loom over, so everything out swap the loom and clean it all up, I am just waiting to get back on the rollers to get it tuned properly. Maybe in March some time. Will be dropping the boost back to about 12lbs and hopefully be able to get some more timing into it. Then when I am happy with it I will be doing some 1/4 mile times.
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 4594
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 Sunday, February 08, 2009 - 02:43 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Neils Twin screw Silvia running 15psi ran 11.6 @ 112mph weighing 1150kg on MT streets running 90/10 front struts . Gianni's 10psi vortech blown Soarer in full street trim has gone 12.1 @ 118mph in a 1650kg car.
Michael Long
TryHard
victoria
UZZ31

Posts: 281
Reg: 03-2006

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 Sunday, February 08, 2009 - 03:20 pm, by:  Michael Long (Longy) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Has been done just not in a soarer yet. notice sticker near radiator, they might be able to help you.

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Paul Drane
DieHard
QLD
V8 Limited

Posts: 616
Reg: 07-2005

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 Sunday, February 08, 2009 - 03:21 pm, by:  Paul Drane (Paulwd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Daniel Clarke wrote on Sunday, February 08, 2009 - 12:34 pm:

Thats crazy isnt it Paul :-) BY the way, im keen to see what yours will do with 15psi and tuned :-)



It is crazy isn't it.

Neil ran his Silvia up here Willowbank over christmas, 11.7's I reckon he will go quicker too.

Keen to see what my barge will do as well.
Paul Drane
DieHard
QLD
V8 Limited

Posts: 617
Reg: 07-2005

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 Sunday, February 08, 2009 - 03:24 pm, by:  Paul Drane (Paulwd) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Brett Maloney has a Raptor om his V8 Soarer.
Steven Anderson
TryHard
NSW
UZZ31 Manual

Posts: 325
Reg: 05-2006

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 Sunday, February 08, 2009 - 05:06 pm, by:  Steven Anderson (Cusscuss) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
not exactly apples to apples, neil was running with no cooler. And there is a massive weight difference. But yeah Gianni's run was quite fast.

But my point is what is explained in this
http://www.musclemustangfastfords.com/tech/mmfp_0412_ford_modular_motor_forced_induction/photo_14.html

nothing more, nothing less.
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 4595
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 Sunday, February 08, 2009 - 05:20 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Steven , i gotta ask, why you so passionate against Centrifigal blowers ?
Steven Anderson
TryHard
NSW
UZZ31 Manual

Posts: 326
Reg: 05-2006

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 Sunday, February 08, 2009 - 06:11 pm, by:  Steven Anderson (Cusscuss) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
because... they are bad.

http://www.musclemustangfastfords.com/tech/mmfp_0412_ford_modular_motor_forced_induction/photo_24.ht ml

i mean... how can you look at that and not recognise an inferior product? It has the wost aspects of a turbocharger (beyond laggy) combined with the parasitic loss of a supercharger.

Then people say, woohoo I got 400rwkw, which negates to mention you only get it over a poofteeth of the rev range.

All ive done is stated how centrifugal supercharges work and corrected information that is wrong, there was never any mention of 'better' or 'faster'.
David Vaughan
Goo Roo
NSW
V8 Ltd manual

Posts: 4170
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 Sunday, February 08, 2009 - 07:15 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
I might be wrong because I am going from memory without researching in this instance but, is it not the case that every at least moderately successful "charged" racing car has used a supercharger or a turbocharger and never a centrifugal charger? Not to mention WWII piston-engined interceptors which had as good a need as any for advantageous performance? *

Maybe I'm wrong given I have done nothing to verify the view, in which case someone should point to a good example to enlighten me. It is possible the Indy-car Offenhausers used centrifugals but they never had to pull from low speed anyway.

* For those capable of noticing, I apologise for the failure in sentence construction in my first paragraph. For once, it is quicker to apologise than to fix it :-)
Damian Ware
DieHard
Victoria
UZZ32

Posts: 799
Reg: 10-2005

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 Sunday, February 08, 2009 - 10:39 pm, by:  Damian Ware (Frozenpod) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
David I believe you are incorrect. I believe it was the fighter planes that first used the centrifugal blowers. If memory is still working correctly they were originally designed for this particular purpose and did wonders for performance when combined with WI.

Steve, I have read that article in detail a number of times in the passed. I remember thinking there was a lot of details that were incorrect including dyno chart lables.

The setups while they give some indication of the potential characteristics didn't really explore each one in detail or attempt to optimise each setup.

They also didn't show the part throttle response.
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 4089
Reg: 10-2005

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 Monday, February 09, 2009 - 06:10 am, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Guess mine must be an oddball then. Still, I did drive 3 other JZZ31's before I bought mine (all non-vvti, the vvti is probably quite different), and they all seemed pretty similar, though that was 4 years ago. I do recall that that the two most expensive models were the ones that felt the most tired engine wise.
David Vaughan
Goo Roo
NSW
V8 Ltd manual

Posts: 4171
Reg: 07-2005

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 Monday, February 09, 2009 - 07:29 am, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Thanks Damian, I had better look in to it some time.
Damian Ware
DieHard
Victoria
UZZ32

Posts: 800
Reg: 10-2005

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 Monday, February 09, 2009 - 08:25 pm, by:  Damian Ware (Frozenpod) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Matthew, just thinking about it and perhaps my opinion is based in comparison to power curve of the V8's. I had owned my V8 for some time when I drove the last 3 of the 3lt soarers.

David, no problem.
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 4092
Reg: 10-2005

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 Tuesday, February 10, 2009 - 08:26 am, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
I've never driven a '32 so I don't know what they are like. Owned a UZZ30, and driven a couple of UZZ31's in various states of repair - my UZZ30 was (usually & marginally) quicker off the mark than my current car, unless it was having a "bad" day One thing I do like about the JZZ31, at least its consistant when you put your foot down. Of course once you got to about 80 and above, the JZZ31 would get left behind pretty quickly I expect.

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