Silvia Club of NSW

Why drive when you can drift?
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PostPosted: Tue Sep 01, 2009 11:02 pm 
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Quad T78
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Location: Sydeny
Car: S14a
Im running GT-RS and 20 psi and getting 245 rwkw with 256 pon cams, so smiller turbo (HKS smaller) and bit less boost, but yeah cams will only open that thing up more..

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PostPosted: Tue Sep 01, 2009 11:20 pm 
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T03 Hybrid

Joined: Mon Aug 23, 2004 10:17 pm
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JayS14 wrote:
Im running GT-RS and 20 psi and getting 245 rwkw with 256 pon cams, so smiller turbo (HKS smaller) and bit less boost, but yeah cams will only open that thing up more..

yeah we know that cams will open it up more but we wanna see wat our turbo kit can do on its own with out the support of cams
once we have reached the limit with wat the turbo kit can do with out supporting cams we will bolt in our own cam shaft
the cam shaft which we are planing on using is a custom cam shaft made to powertune specs which is a very low duration with a huge amount of lift


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PostPosted: Tue Sep 01, 2009 11:26 pm 
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Quad T78
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Location: Sydeny
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^ Yeah i know that you know, was kinda just stateing.......

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PostPosted: Wed Sep 02, 2009 10:26 pm 
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T28
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Joined: Mon May 07, 2007 11:11 am
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Car: ECR33
STR8E180 wrote:
very low duration with a huge amount of lift


Aiming for lots of low rev torque and no top end? Seems strange if you're planning to gauge improvement by drag strip times..


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PostPosted: Wed Sep 02, 2009 10:53 pm 
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T03 Hybrid

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govich wrote:
STR8E180 wrote:
very low duration with a huge amount of lift


Aiming for lots of low rev torque and no top end? Seems strange if you're planning to gauge improvement by drag strip times..


we arnt aiming at building a drag car
we are aiming at building an all round fast car
some thing we can market as a package


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PostPosted: Wed Sep 02, 2009 11:02 pm 
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Takumi
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I think it's been well proven that a smaller turbo with a set of cams makes a better all round engine than the big turbo with standard cams setups people were playing with in the 90's :)

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PostPosted: Wed Sep 02, 2009 11:54 pm 
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T28
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STR8E180 wrote:
we arnt aiming at building a drag car
we are aiming at building an all round fast car
some thing we can market as a package


Apologies then, i misunderstood your purpose. It should spool up nicely with cams like that! Although i'd be interested to see if you could get the same peak power out of it.

DumHed, if that was directed at me i didn't mean that leaving the stock cams in there is better, just that low duration is generally no good for top end power.


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PostPosted: Sat Sep 12, 2009 7:36 pm 
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Admin Team
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Mine was tuned today. to save duplication visit my build thread

http://forum.silviansw.com/viewtopic.ph ... 638#308638

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PostPosted: Mon Nov 09, 2009 8:44 am 
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T03 Hybrid
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Location: Sydney
Car: S15
govich wrote:
STR8E180 wrote:
we arnt aiming at building a drag car
we are aiming at building an all round fast car
some thing we can market as a package


Apologies then, i misunderstood your purpose. It should spool up nicely with cams like that! Although i'd be interested to see if you could get the same peak power out of it.

DumHed, if that was directed at me i didn't mean that leaving the stock cams in there is better, just that low duration is generally no good for top end power.


a "huge amount of lift" will make up for that. lift is good anywhere, especially on forced induction engines. adding duration is easier and much cheaper though.

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