996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

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Old Oct 3, 2009 | 06:22 PM
  #31  
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Originally Posted by Prche951
actually for drag racing a lag monster is a good thing

having said that I am getting secans, and since they are 5 times better than everything else I am putting one in my turbo and the other in my VEETEC!!!!! that leaves 2.5 times better than all else.
Thats genius!!! $18K and you have 2 cars covered!!!!
 
Old Oct 3, 2009 | 06:31 PM
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Originally Posted by ttboost
Thats genius!!! $18K and you have 2 cars covered!!!!

yup. and if I get that lightweight battery for 2k, I'll be 0.0008 seconds faster.
 
Old Oct 3, 2009 | 07:01 PM
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Originally Posted by Dr_jitsu
....but I guarantee it would not make the big power on 3.5 inchers.
What to put a wager on that? You need to understand what an IC does Sean. The better statement would be....I guarantee it would not make the big power on 3.5 inchers on the 2nd pull.
 
Old Oct 3, 2009 | 07:24 PM
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Originally Posted by OhioGT2
What to put a wager on that? You need to understand what an IC does Sean. The better statement would be....I guarantee it would not make the big power on 3.5 inchers on the 2nd pull.

no guaranty on that one either. thicker cores is not necessarily better.
 
Old Oct 3, 2009 | 08:06 PM
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Originally Posted by OhioGT2
What to put a wager on that? You need to understand what an IC does Sean. The better statement would be....I guarantee it would not make the big power on 3.5 inchers on the 2nd pull.
Correctamundo. A good way to view IC is they mitigate power losses over time. The less efficient the IC the less heat it'll be able to dissipate under boost (thermal range). The resulting fuel air charge isn't as dense hence less power and eventually, as everything heat soaks, the engine will pull timing further reducing power. That doesn't mean go out and buy the biggest, most expensive IC you can find. Just as important as the size of the IC is the end tank design. A thick IC with a poor end tank is like having a dull knife. It looks cool but doesn't do a very good job at what its intended for.
 
Old Oct 3, 2009 | 08:13 PM
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Yes, end tank is critical that is something that the EVo 3.5ers had going for them. Protomotive and Marks end tanks are also first rate.

99% of roll ons here in Houston are done when one has driving for quite a while in the heat and humidity.

If all the other restriction points have been mitigated the larger IC should also increase overall air flow as well as reduce ambient temps.
 
Old Oct 3, 2009 | 09:03 PM
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just put a $500 meth kit on it and be done with it...
 
Old Oct 3, 2009 | 09:11 PM
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It will be hard to arrive at a clear cut answer.

The larger core has more difficulty passing air through to cool the charge boost. The second half of the core does less than a 1/4 of the cooling. The larger core provides less flow losses that in turn means the turbos has to work less (create less heat) to produce xxx boost. It also has greater thermal reserves do to shear size.

IMHO the answer will depend on how much flow losses you incur with your current setup and what the IAT's are currently. Its the package that needs to work together. With Gt3071-76 the EVO's are still a great choice.
 
Old Oct 4, 2009 | 08:46 AM
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Originally Posted by Prche951
no guaranty on that one either. thicker cores is not necessarily better.
It's not just a bigger core.
 
Old Oct 4, 2009 | 08:50 AM
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[quote=Dr_jitsu;2565855]....the larger IC should also increase overall air flow....quote]

Sean, pease call Todd and ask him how an IC works. It's not a fan.
 
Old Oct 4, 2009 | 10:03 AM
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Originally Posted by OhioGT2
It's not just a bigger core that matters
exactly
 
Old Oct 4, 2009 | 10:46 AM
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Originally Posted by Prche951
exactly
Just keeping it short and safe while typing on a BB Tour in my Z06....
 
Old Oct 4, 2009 | 11:09 AM
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Originally Posted by OhioGT2
Just keeping it short and safe while typing on a BB Tour in my Z06....

understood, especially considering how much power your Z has
 
Old Oct 4, 2009 | 11:56 AM
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had a 86 t when i changed the ic it was like nite and day unreal power gain, i changed to ev0s ic on the 996 and really did not see that much improvment, to be fair that was quite a while ago sooo. i could be wong, but the seat of the pants was not that impressed it was better but i don't lay awake nites about it.don't get me wrong they were better than the gts i had on there first and i think far better than the stockers
 
Old Oct 4, 2009 | 02:33 PM
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Originally Posted by PAULIEWALNUTS
Sorry if any of these questions are silly,I am trying to learn about the benifit of IC's.
Hey Walnut...haven't you spent enough $$$ lately on mods for Tweety...??

Don't you think Sean has a hard enough time trying to keep up with us...
 


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