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Scion tC 1G Forced Induction Turbo and supercharger applications...

Question about ZPI 16G set up

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Old 03-22-2008, 03:58 PM
  #21  
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Originally Posted by Mr_Meaty
Only 200whp at 8.7psi? wait...the stage 0 came with a smaller spring, right?
What size spring do you have right now, tcchris?
Just remember, even with a boost controller, if you have the 8.7 psi spring in, you cannot make LESS boost, only more. So if you have a 6psi spring and a boost controller, you can have 6psi or 12 psi or anything in between.

I was taking into the account that it's an Automatic. I was being conservative. A manual on 8.7 PSI would be over 250whp.
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Old 03-22-2008, 04:25 PM
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*watching
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Old 03-22-2008, 05:02 PM
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Guys thanks for all the info. Could you guys tell me what the best controller is? What is the best brand? Where should I get it from?
Thanks,
Chris
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Old 03-22-2008, 05:16 PM
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the only MBC i have experience with is a turbochargers.com one , not sure who makes them but it didnt cause any boost spike which can be common in MBC's, its only like 45 bucks.
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Old 03-22-2008, 06:09 PM
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I run the Turbo XS one. It spikes, but only one PSI over what I have it set to.
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Old 03-22-2008, 10:51 PM
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Is this the one you got rozz-tc?
http://www.turbochargers.com/store/p...roducts_id=808
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Old 03-22-2008, 11:05 PM
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Originally Posted by rhythmnsmoke
Originally Posted by kylelewis32
i hear 16g. and i just think of an eclipse with one running 15s. umm
Yeah, but we don't drive Eclipse...
That and Eclipses run faster times than that stock. The GSX runs a 14.7-14.9 with a T25. The GSX can run 12s with good fuel delivery on a 16G.

For the poster...

I would drop a level on the wastegate spring. That might be too much for the auto to take. Try staying around 6-7 if you want it reliable. And definitely use a tranny cooler.
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Old 03-22-2008, 11:08 PM
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Just saw the end of this thread...

I would STRONLY suggest running an electronic boost controller. They're much more reliable and more safe, provided they're set up correctly. I like the Blitz SBC Spec-S, AEM Tru Boost, and HKS units. For a little bit more, you can run the Apexi AVCR which works well as a monitor for other devices as well.
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Old 03-22-2008, 11:22 PM
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Ok joe thanks for the info. Since now I got the expert chiming in on this post heres another question for you Joe. Do you think that later down the road if I do put 9PSI to the tubo will the tranny be able to handle it if I upgrade the valve body and a tranny cooler?
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Old 03-22-2008, 11:29 PM
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I'd say it's possible. The valve body upgrade will be huge. Even on 5psi I say run a tranny cooler, so I don't think you should ever run without one.

What driving habbits will the car be seeing? Track use, auto-x, drag, street, etc?
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Old 03-23-2008, 12:48 AM
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Originally Posted by tcchris38
yes it is, we ran up to 14psi with it and no spikes. good simple MBC thats still cheap
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Old 03-23-2008, 02:19 AM
  #32  
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The driving habbits that the car will see will just be on the street doing the usal daily driving. As far as drag mabey down the strip a couple of times but thats about it.

Thanks rozz-Tc for the great info!!
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Old 03-23-2008, 10:13 AM
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Originally Posted by Joe_Dezod
Originally Posted by rhythmnsmoke
Originally Posted by kylelewis32
i hear 16g. and i just think of an eclipse with one running 15s. umm
Yeah, but we don't drive Eclipse...
That and Eclipses run faster times than that stock. The GSX runs a 14.7-14.9 with a T25. The GSX can run 12s with good fuel delivery on a 16G.

For the poster...

I would drop a level on the wastegate spring. That might be too much for the auto to take. Try staying around 6-7 if you want it reliable. And definitely use a tranny cooler.


Yeah, still sad for a turboed car from the factory. 14.8 was our tC's best time with only an exhaust.
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