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

TRD Supercharger issues

Old Nov 29, 2010 | 11:18 PM
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Default TRD Supercharger issues

Hi everyone,

Were all the s/c diffected. Also all the s/c people have problems are in the 05-06 model s/c. Has anybody had problems on the 07-up s/c. I haven't found any information if those s/c are bad too.
Old Nov 30, 2010 | 12:35 AM
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WOW use search and read its been answered so many times theres alot of threads about it all and everybody is going to tell you go turbo
Old Nov 30, 2010 | 02:21 AM
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As a owner of two superchargers I can tell you that yes the first series S/C had a serious problem with the seals breaking. I am now on the second series supercharger and haven't had any issues. Also for those of you who would say just go turbo ... if you want Turbo power, up your pulley to the 45mm one to get around 15psi.. maxing out the S/C capabilities. With good tuning and some other accessories you can have 300hp.
Old Nov 30, 2010 | 11:07 AM
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What are your goals or plans? If you are going to try to max out a SC there is really no point, it wont last, get a turbo. If you max it out and were able to actually see 300whp with a SC the same setup with a turbo would yield at least 375 if not more.
Old Nov 30, 2010 | 06:16 PM
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Originally Posted by SoccerBoy_AP
As a owner of two superchargers I can tell you that yes the first series S/C had a serious problem with the seals breaking. I am now on the second series supercharger and haven't had any issues. Also for those of you who would say just go turbo ... if you want Turbo power, up your pulley to the 45mm one to get around 15psi.. maxing out the S/C capabilities. With good tuning and some other accessories you can have 300hp.
For how long have you been running the second series s/c for.
Old Nov 30, 2010 | 11:20 PM
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Since May 2010, about 10k miles on now.


Originally Posted by BlackKnight
What are your goals or plans? If you are going to try to max out a SC there is really no point, it wont last, get a turbo. If you max it out and were able to actually see 300whp with a SC the same setup with a turbo would yield at least 375 if not more.
I'm not looking to get over 300hp.... to much internal work required after that point. But I'm not saying it can't be done...The S/C can last... the Vortec part is nearly invincible.. it's the TRD attachment drive kit that is the piece of crap. I have the replacement shaft and bearings, I will be getting the replacement seals and etc.

Once all the junk is replaced with the good stuff then the S/C will not only last but be able to take it all the way to 15psi, safely and it will perform awesomely and that's without an IC; adding an air/water IC would do amazing things for the S/C.
Old Dec 1, 2010 | 01:15 AM
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[quote=SoccerBoy_AP;3731737]Since May 2010, about 10k miles on now.


Have you replace the stock pulley on it?
Old Dec 1, 2010 | 02:47 AM
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Yep, dropped down to the 65mm/9psi pulley. I won't drop to anything smaller until I beef up the drive shaft and seals and get a tune going...
Old Dec 1, 2010 | 09:28 PM
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Originally Posted by SoccerBoy_AP
Yep, dropped down to the 65mm/9psi pulley. I won't drop to anything smaller until I beef up the drive shaft and seals and get a tune going...
How did you remove it.
Old Dec 2, 2010 | 10:14 PM
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Two ways to do it...
Version 1 being welding a regular nut onto the tamper bolt and removing it with a impact wrench.


Version 2 is grinding the tamper bolt down to a nut and using a long handled crescent wrench and a tension wedge on the pulley so it won't move when you try to remove the bolt.
http://www.yoursciontc.com/forums/12...thread-88.html

Should you go through with removing it make sure you replace it with a standard bolt. Size is 3/8 -24 x 1, fine thread... I would suggest at least grade 8 instead of 5. ACE hardware should have what you need.
Old Dec 3, 2010 | 12:43 AM
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Originally Posted by SoccerBoy_AP
Two ways to do it...
Version 1 being welding a regular nut onto the tamper bolt and removing it with a impact wrench.


Version 2 is grinding the tamper bolt down to a nut and using a long handled crescent wrench and a tension wedge on the pulley so it won't move when you try to remove the bolt.
http://www.yoursciontc.com/forums/12...thread-88.html

Should you go through with removing it make sure you replace it with a standard bolt. Size is 3/8 -24 x 1, fine thread... I would suggest at least grade 8 instead of 5. ACE hardware should have what you need.
Thanks. Also what kind of setup do you have.
Old Dec 4, 2010 | 01:43 AM
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Originally Posted by SoccerBoy_AP
Since May 2010, about 10k miles on now.




I'm not looking to get over 300hp.... to much internal work required after that point. But I'm not saying it can't be done...The S/C can last... the Vortec part is nearly invincible.. it's the TRD attachment drive kit that is the piece of crap. I have the replacement shaft and bearings, I will be getting the replacement seals and etc.

Once all the junk is replaced with the good stuff then the S/C will not only last but be able to take it all the way to 15psi, safely and it will perform awesomely and that's without an IC; adding an air/water IC would do amazing things for the S/C.
Is the shaft in the forum any good and what about the bearings have they found any replacement for it.
Old Dec 4, 2010 | 04:30 AM
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My profile garage has all my setup details.

I have purchased the replacement drive shaft and bearing kit from gomka but haven't yet installed it. From what others have said, it is defiantly worth it. Reduces noise and can withstand much higher rotational speeds that come with the smaller pulleys.
Old Dec 4, 2010 | 08:24 PM
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Originally Posted by SoccerBoy_AP
My profile garage has all my setup details.

I have purchased the replacement drive shaft and bearing kit from gomka but haven't yet installed it. From what others have said, it is defiantly worth it. Reduces noise and can withstand much higher rotational speeds that come with the smaller pulleys.
How much was the shaft.
Old Dec 4, 2010 | 09:25 PM
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https://www.scionlife.com/forums/sho...d.php?t=152018
Check with Gompka... if he even has any left

Something like 400$
Old Dec 5, 2010 | 07:40 AM
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Originally Posted by SoccerBoy_AP
https://www.scionlife.com/forums/sho...d.php?t=152018
Check with Gompka... if he even has any left

Something like 400$
Alrite tanks ill check w/ him.
Old Dec 8, 2010 | 07:15 PM
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It all depends on what you would like to do like Soccerboy said. I personally am not happy with my car's topend, after research I'm in a hard spot to dump $400 to $600 for shaft and bearing upgrades, another $200ish for a 14psi pulley, $300 for aem fic, $300 to $500 for a water meth and $600 for a tune... This will net you probably close to 300whp if your lucky. For that kinda money you can get a used turbo kit and make over 300whp.

Its what you want bro, some peeps are happy with the s/c and some are happier turbo. Its something different to have the s/c and make decent power. However its about money and what you want to do.

I rock a 9.5psi pulley, megan headers, ptuning 3in exhaust with a morriso spiral flow muffler and I'm not happy with the performance. I plan to sell the s/c kit in the future and go turbo and make some power. Tired of getting owned by a lightly modified G35 or Mustang GT...
Old Dec 10, 2010 | 12:16 AM
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Originally Posted by TokenAsianGuy
Its what you want bro, some peeps are happy with the s/c and some are happier turbo. Its something different to have the s/c and make decent power. However its about money and what you want to do
Exactly... I like my S/C and I like being one of the few who believe in it despite the fact that TRD made a crappy attachment kit. I trust the power the Vortech part can make, it's the drive shaft kit that I don't trust and am therefore replacing and/or beefing up.

I want to be a guy who rocks almost 300hp on a S/C instead of a turbo... it's the whole point of the Scion brand, "become one of us by becoming none of us".

/stepoffsoapbox
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