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

from S/C to turbo

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Old Mar 17, 2008 | 04:54 PM
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so im thinking about getting a turbo for the car. i was wondering how hard it is to switch up from a s/c to a turbo setup? im no mater tech but then i can do my own tune ups,oil change,breaks pads, and even switch out the s/c bracket.
it's a greddy kit that is pre-tuned. thanks for the info.

i was also wondering whats the CC that the s/c injector come with?
Old Mar 17, 2008 | 04:56 PM
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It's going to take some time, but it's simple. Just follow the directions and double check everything. The hardest part is probably going to be tapping the oil pan. Other than that, it's just remove the S/C kit, install the turbo kit.
Old Mar 17, 2008 | 04:58 PM
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can i use the oil pan from the s/c set up that came with the trd kit? i also want to use the injectors from the s/c kit too. i think they are 440cc but i want to make sure.
Old Mar 17, 2008 | 05:03 PM
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I don't know about the oil pan, so I won't answer that question. The injectors should be fine up to a certain amount of power. I'd say you'll be fine with those injectors up to about 6-7 psi. A general rule of thumb to go off, is that you will need an extra 100cc of injector flow per 75 BHP. I think the Greddy kit uses 440cc injectors anyway..?
Old Mar 17, 2008 | 05:06 PM
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yea it will come with 44cc injectors so i figure that i dont have to switch them out.
anyone can help with the oil pan Q.
Old Mar 17, 2008 | 09:27 PM
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where is the oil pan tapped?
Old Mar 17, 2008 | 09:43 PM
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Oil pan is pretapped for the TRD kit so you will be ok. The injectors with the S/C are already 440's so you dont need to switch them out. Its not terribly difficult to switch it all out. Just make sure your return line will fit the TRD bung welded onto the oil pan.
Old Mar 19, 2008 | 06:25 AM
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do i need a new ECU or can i use the one that has the TRD reflash for the s/c? i read in a post here that it might mess with the piggyback.
Old Mar 19, 2008 | 07:39 AM
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your probably going to need a piggyback at the least to adjust the air/fuel ratios.. the reflash is just a minor adjuster, with a turbo it'll not be enough..
Old Mar 19, 2008 | 03:38 PM
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the kit is comming with a emanage blue. i was just wondering if it will be ok to run that with the s/c map thats on the ECU now.
Old Mar 19, 2008 | 07:19 PM
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i think that would pose problems for the tuners..
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