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Ledge's 240Z Track car


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#41 Z

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Posted 18 December 2011 - 08:08 AM

He looks the goods, thanks Paul I'll give him a call.

#42 Ledge

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Posted 08 January 2012 - 03:02 PM

HI All
Put the engine in the car today,
Just have to redo intercooler pipes etc and its
off to the dyno

WOO HOO

Regards
Paul

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#43 Brabham

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Posted 08 January 2012 - 06:21 PM

Looks awesome, do you have any problems with chassis twist and how have you strengthened the chassis? Cheers. :)

#44 sco_aus

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Posted 08 January 2012 - 06:23 PM

Very nice!

#45 zzzzed

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Posted 08 January 2012 - 06:33 PM

Love it  :D

#46 Ledge

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Posted 08 January 2012 - 08:38 PM

HI
Thanks guys

Brabham  The car has a substantial cage in it so twist isn't a drama.
              sphincter flex on the other hand is a different matter LOL

Regards
Paul

#47 luvemfast

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Posted 09 January 2012 - 02:55 PM

Looks awesome, do you have any problems with chassis twist and how have you strengthened the chassis? Cheers. :)

Don't think it matters anyway.....
Not like its going to be pumping out much power anyway  ::)

#48 RAdelaideRatsun

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Posted 18 January 2012 - 10:56 PM

Looking fantastic Paul, will have to come over and see it in the flesh when it is finished..........oh and whats with the hammer, turbo massaging?...lol

#49 Ledge

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Posted 27 January 2012 - 11:28 AM

Hi All
In and hooked up ready for the Dyno
Hopefully next weekend

Regards
Paul

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#50 Gordo

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Posted 27 January 2012 - 01:01 PM

Hi Paul, you have done a great job on this car. When I see builds like this I am quit envious of your time and dead action. Looking really good, will be fantastic to drive.



#51 260DET

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Posted 27 January 2012 - 04:14 PM

HI
Thanks guys

Brabham  The car has a substantial cage in it so twist isn't a drama.
              sphincter flex on the other hand is a different matter LOL

Regards
Paul


Don't take this as a negative comment but a cage by itself won't give chassis rigidity, the cage design has to be incorporated into the chassis design and the two integrated to form one structure. You probably realised this but some people do seem to think that a bare cage will solve there spaghetti chassis problems.

#52 Zedman240®

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Posted 27 January 2012 - 08:26 PM

From memory that cage is tied into the body in quite a few places..whereas my half cage probably only prevents those cracks appearing where the lead joins are in the rear quarters.

#53 Ledge

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Posted 28 January 2012 - 08:26 AM

HI Guys
Yeah the cage is strut to strut with a million ties to the body,
Think i could put the jack under the front right and change the rear left tyre
its so rigid.
Can totally understand how a half cage would achieve nothing when it comes
to chassis strength.

I have been using the car for a while now with a stock RB25 so this is really just and
engine change. It was quick before with 195kwatw so add an extra 100 to that
and I'm sure i will need a bit more right foot control.

Next event for the car is Mt Alma Mile hill climb on 31st March and 1st April.
Will go do a practice day at Mallala before then to get used to the extra performance.

Regards
Paul

#54 peter mc

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Posted 28 January 2012 - 09:03 AM

Mate its very nice
that extra 100 might be more like 250kw more  ;D even on low boost

#55 Ledge

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Posted 28 January 2012 - 09:23 AM

HI Peter
I'm really not bothered by what it makes, We will be mucking around
with cams to give the most mid range, best torque curve so what ever
its peak power is is what it is.
As you would be well aware by some of the good things you have built
big peak power figures are all but useless in the real world.

Regards
Paul

#56 peter mc

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Posted 28 January 2012 - 06:48 PM

thats for shore but it will make lots more than the RB25 in the top end with your turbo combo  300kw at 16 psi

#57 Ledge

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Posted 04 February 2012 - 03:01 PM

HI Guys
Here is dyno print out with power and boost,
sacrificed top end for mid range and lumpy
idle  but i am really happy with the result

Regards
Paul

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#58 Z

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Posted 04 February 2012 - 04:03 PM

Other than the dyno sheet being more than 10 years old thats awesome;)

Happy days!

#59 peter mc

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Posted 04 February 2012 - 04:30 PM

hehe looks like i was not to far off the mark 300+ 15 
looks like you would pick up mid if your boost was better setup, what kind of control are you using

#60 Ledge

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Posted 05 February 2012 - 11:53 AM

HI Peter
Yep your guess was better than mine.
i was thinking 280 but I'm not going to argue LOL
It has turbo smart eboost hooked up to the
tomei actuators and turbo smart blow off valve.

As it is now its good but i want to do some track driving
to iron out any flat spots

Regards
Paul




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