Silvia Club of NSW

Why drive when you can drift?
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PostPosted: Sun Sep 13, 2009 11:14 pm 
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TO4

Joined: Sun May 14, 2006 6:37 pm
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Car: s15
I wonder how you guys dyno tune the car right after rebuild, isn't it supposed to be driven easily for 500km or so?


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PostPosted: Sun Sep 13, 2009 11:18 pm 
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Overlord
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Its a stock bottom end dude. No rebuilding was done here

There is alot of debate though on how to properly run in an engine. Old school thought was a couple thousand kms with varying load but with track-only cars you don't get that opportunity. I think they give it a few hours on the dyno at varying loads, then start flogging the hell out of it

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PostPosted: Sun Sep 13, 2009 11:35 pm 
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Takumi
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Location: building!
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rebuilding just makes it unreliable usually :P

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PostPosted: Mon Sep 14, 2009 8:39 am 
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too_much_boost wrote:
Well not a 1:06 flat. I'll allow him to have a practice day before chasing 1:06.00


Fuck off 1:06! I'll have to figure out how to drive it again.

Cage is getting serious consideration atm.

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PostPosted: Mon Sep 14, 2009 10:23 am 
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T51 Hybrid

Joined: Thu Dec 18, 2003 10:51 pm
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Location: Sydney
Car: S13 Silvia
I reckon you car needs a roll cage purely from a safety perspective. With the power and corner speed the car will have, safety should become a priority.

I just fitted a Bonds 6 point roll cage in my car and I am glad I did.

Will be interesting to see how the car puts the power down now as 20psi at 3600rpm is ridiculously responsive.

The car should be capable of 1:06 but not until you get used to it which may take 2 sessions or 2 days!


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PostPosted: Mon Sep 14, 2009 10:33 am 
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is it a bolt in or weld in one?

Got pics?

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PostPosted: Mon Sep 14, 2009 11:19 am 
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Quad T88
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nice results dave! i had idle problems with the IAC after as well only when cold, when warm its normal. i made a few adjustments to it after and it fixed it not completely but better then before.

all this power and still a NA motor + turbo ?
or did i miss somewhere that its an actual det.


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PostPosted: Mon Sep 14, 2009 11:26 am 
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you missed where i said it was an s15 det motor

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PostPosted: Mon Sep 14, 2009 11:42 am 
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Quad T88
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i thought i did lol.
it must be very tail happy now :lol:


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PostPosted: Mon Sep 14, 2009 12:58 pm 
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T51 Hybrid

Joined: Thu Dec 18, 2003 10:51 pm
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Location: Sydney
Car: S13 Silvia
Its a bolt in cage.

Not entirely happy with how we fitted the front leg on the drivers side. Could have sat a little further out.

Will upload some pics.


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PostPosted: Mon Sep 14, 2009 3:33 pm 
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T66
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great result there Dave :)

is the stock bottom end going to be able to cope with that much power?

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PostPosted: Mon Sep 14, 2009 4:00 pm 
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Not for very long.

It'll rarely get run at 21psi on the track. Probably around 16psi which is a bit softer through the midrange and only makes 270

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PostPosted: Mon Sep 14, 2009 9:45 pm 
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T51 Hybrid

Joined: Thu Dec 18, 2003 10:51 pm
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Car: S13 Silvia
Here you go,

Image

Image

Image

Image

Image

Image


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PostPosted: Mon Sep 14, 2009 10:45 pm 
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T28
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badhairdave wrote:
It'll rarely get run at 21psi on the track. Probably around 16psi which is a bit softer through the midrange and only makes 270


That seems like more of a sweet spot. 5psi more boost for 15 wheel kW doesn't seem like a good deal..


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PostPosted: Tue Sep 15, 2009 8:47 am 
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There's actually a massive difference in the midrange with 21 psi on board. Just up top it drops back a bit.

I don't mind how the back of the cage looks but the bolt in front legs don't do it for me the way they come in front of the dash.

I might have a chat with bond and see if they'll supply a set of weld in front legs that i could work with or something.

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