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

Powerloss with Supercharger

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Old Apr 3, 2006 | 02:31 PM
  #21  
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Originally Posted by blown_xa
oh, one more thing.. don't worry about the driving around for a few days without the reflash, the knock sensor will pull back the timing way before detonation occurs, no harm done.
it will only pull so much until it cant take the grenadingm, then no knock sensor in the world will be albe to keep up with the detonation in result cracking every last ring land.
Old Apr 3, 2006 | 03:14 PM
  #22  
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OK first you cannot drive the car without a flash and it WILL NOT handle any kind of boost on the stock ECU. This is a myth that really needs to be put to bed. Not to mention that you will void the warranty if you don't get a reflash. But putting that aside You need to do a compression test ASAP.

When you said that you had all that installed did the dealership it put on?
Old Apr 3, 2006 | 04:31 PM
  #23  
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One of my car club members is running the following set-up:

TRD supercharger, K & N cold air intake (custom cut for supercharger), Agency-Power crank pulley, ZPI supercharger pulley, TWM stage I short shifter, Draxas S pipe.

He has not done the re-flash and has put about 2K miles on it since the install, he has not experience any power loss or any leackeage. The reason he has not done the re-flash is because he found out that it is permanent, that means if you ever want to go back to stock or want to upgrade to a turbo, you will need to buy a new OEM ECU($$$). So he is going to get the Unichip and have it tuned for his set-up. Here are some pics and details about his tC:

http://www.fasterscions.com/gallery-projects-GB.html

BTW, all of his installs were done at:
21417 ingomar street, unit 2
canoga park, ca 91304

ph. 818.887.4425
fax. 818.887.4632


More info here:
http://www.fasterscions.com/

Thanks.
Old Apr 3, 2006 | 05:26 PM
  #24  
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Originally Posted by gwtc
One of my car club members is running the following set-up:

TRD supercharger, K & N cold air intake (custom cut for supercharger), Agency-Power crank pulley, ZPI supercharger pulley, TWM stage I short shifter, Draxas S pipe.

He has not done the re-flash and has put about 2K miles on it since the install, he has not experience any power loss or any leackeage. The reason he has not done the re-flash is because he found out that it is permanent, that means if you ever want to go back to stock or want to upgrade to a turbo, you will need to buy a new OEM ECU($$$). So he is going to get the Unichip and have it tuned for his set-up. Here are some pics and details about his tC:

What kind of tuning has been done to the car? If there hasn't been any then just wait for the problems to start rolling in. You cannot introduce F/I to an engine and not have any kind of change to the fuel map. It will cause problems period.
Old Apr 3, 2006 | 05:31 PM
  #25  
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Originally Posted by josh_trdsparks
Originally Posted by gwtc
One of my car club members is running the following set-up:

TRD supercharger, K & N cold air intake (custom cut for supercharger), Agency-Power crank pulley, ZPI supercharger pulley, TWM stage I short shifter, Draxas S pipe.

He has not done the re-flash and has put about 2K miles on it since the install, he has not experience any power loss or any leackeage. The reason he has not done the re-flash is because he found out that it is permanent, that means if you ever want to go back to stock or want to upgrade to a turbo, you will need to buy a new OEM ECU($$$). So he is going to get the Unichip and have it tuned for his set-up. Here are some pics and details about his tC:

What kind of tuning has been done to the car? If there hasn't been any then just wait for the problems to start rolling in. You cannot introduce F/I to an engine and not have any kind of change to the fuel map. It will cause problems period.
None yet, believe me, he understands the risk involved, he is crossing his fingers every day that nothings goes wrong, he will soon get the Uichip and will have it tuned for his set-up.
Old Apr 3, 2006 | 05:34 PM
  #26  
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Originally Posted by josh_trdsparks
What kind of tuning has been done to the car? If there hasn't been any then just wait for the problems to start rolling in. You cannot introduce F/I to an engine and not have any kind of change to the fuel map. It will cause problems period.
ZPI Stage 0 has been working..
Old Apr 3, 2006 | 05:38 PM
  #27  
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Originally Posted by zer0

ZPI Stage 0 has been working..

Like I said you cannot introduce F/I to an engine without changing something in the fuel map. Just because something works right now doesn't mean that it will continue to work over time. Let see how those car are doing after 20K miles or so.
Old Apr 3, 2006 | 05:59 PM
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What kind of numbers is that guy putting down with no reflash? Just curious. I bet it hauls ___! I know mine did when it wasnt reflashed.
Old Apr 3, 2006 | 06:54 PM
  #29  
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ZPI dyno'd it with no re-flash.

https://www.scionlife.com/forums/vie...=asc&&start=44

You have a lot more Tq without the reflash.
Old Apr 3, 2006 | 09:40 PM
  #30  
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Alright, ready?

Hole #1 = ~150psi
Hole #2 = ~150psi
Hole #3 = ~105psi (not a typo)
Hole #4 = ~150psi

Award goes to desertheat.
For what its worth, it took less than 100 miles for this to happen.
Have a nice day!
Old Apr 3, 2006 | 09:41 PM
  #31  
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Originally Posted by Wyatt_Herb
Alright, ready?

Hole #1 = ~150psi
Hole #2 = ~150psi
Hole #3 = ~105psi (not a typo)
Hole #4 = ~150psi

Award goes to desertheat.
For what its worth, it took less than 100 miles for this to happen.
Have a nice day!
How many times did you check it?
Old Apr 3, 2006 | 09:58 PM
  #32  
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3-4 for each. Bright white plugs, too.
Old Apr 3, 2006 | 10:50 PM
  #33  
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Sorry to hear that bro...lemme ask you a question, did you have regular octane gas in the car when you put the supercharger on or did you have a fresh tank of premium? If you had regular in there thats what sped up the process.
Old Apr 3, 2006 | 11:13 PM
  #34  
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Nothing but 92 went into the tank from the day I owned the car.
Thanks again everybody for the input and ideas. I hope this helps mtxgalant as well.
Now, where can I get "better" rings?
Old Apr 4, 2006 | 01:00 AM
  #35  
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Originally Posted by Wyatt_Herb
Nothing but 92 went into the tank from the day I owned the car.
Thanks again everybody for the input and ideas. I hope this helps mtxgalant as well.
Now, where can I get "better" rings?
You might need more than just rings. You might need pistons bro. Sorry to hear about your misfortune.
Old Apr 4, 2006 | 01:13 AM
  #36  
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Munch I remember you posted part #'s for Carillo rods and some other brand of pistons. That might help him out... you have that info on hand?
Old Apr 4, 2006 | 01:27 AM
  #37  
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What I want to know is did the dealer install the pulley and everything else? If they did and they let you take the car then you may have a case.
Old Apr 4, 2006 | 09:23 PM
  #38  
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The dealer I am working with is absolutely outstanding. They take care of me like its nobody's business. All I really need to worry about at this point is performing any internal upgrades while I can. As I don't have any crazy plans for the car, one of the techs suggested that I try to find some "higher quality" components, specifically rings, for them to apply while they're in there. Its not a must, more of an opportunity.

ZPI said they had rings but were unaware of the compatibility with the stock pistons. Any other ideas?

I've been meaning to mention that throughout this whole ordeal I've never had a CEL or any other indicator light come on. At the same time, the car isn't neccesarily running poorly at all, its just slightly slower.

Thanks again everybody! This is really turning into a great opportunity to have some cool things happen.
Old Apr 4, 2006 | 09:26 PM
  #39  
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Did the dealer put the 9.5lb pulley on when they installed the S/C?
Old Apr 4, 2006 | 09:32 PM
  #40  
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At this point, its truly irrelevant. But for facts sake, under my orders, they did.



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