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

blow through question

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Old 01-20-2012 | 02:32 AM
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Default blow through/boost controller question! edit

correct me if im wrong but the pipe i placed them on is the cold side isnt it? because air exits turbo goes through intercooler comes out and goes into the tb? the pipes on this kit are fun house mirror too lol i hate it

Last edited by Simplylibet; 01-26-2012 at 04:24 AM.
Old 01-20-2012 | 03:06 AM
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Think of it like the hot air is before the intercooler "hot side" and the cold air is after the intercooler "cold side"

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Old 01-20-2012 | 03:33 AM
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On my new set up i run bkow thur also but the bov it like 2 in away from the maf do u guys think that would be bad

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Old 01-20-2012 | 04:15 AM
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Originally Posted by Syldrin
Think of it like the hot air is before the intercooler "hot side" and the cold air is after the intercooler "cold side"

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yea thats what i meant to say lol the pipe i showed in the pic is after the intercoolr. no? i dont think hot airs going into the tb! lol
Old 01-20-2012 | 04:16 AM
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^^^also pipe is 2.5 lmao im just an idiot.
Old 01-20-2012 | 06:57 AM
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Ideally I want the bov after the intercooler but for faster response before the intercooler works
Old 01-26-2012 | 04:26 AM
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also got a question about boost controlelr so just edited this post.
i have an external wastegate.
so option 3 is what id use correct.
L I N K .
Old 01-26-2012 | 04:26 AM
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i have two port on my wastegate, dont know if that matters
Old 01-26-2012 | 05:00 AM
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Dont use the one on the top unless running a boost controller
Old 01-26-2012 | 05:50 AM
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lol thats why i posted this.
did you check my link? the third one shows an external with two ports and both being used, so thats what i do? or can i just use the lower port and leave the top undone?
Old 01-26-2012 | 01:04 PM
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the top port is for an electronic boost controller. if ur usin manual than run it in line from the lower port to ur vac source.
Old 01-26-2012 | 02:16 PM
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Ok so just the lower port.
So it'd be:
Lower port on wastegate>manual boost controller>turbo housing vac fitting?
Old 01-26-2012 | 02:31 PM
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Originally Posted by Simplylibet
Ok so just the lower port.
So it'd be:
Lower port on wastegate>manual boost controller>turbo housing vac fitting?
Si senior.

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Old 01-26-2012 | 04:07 PM
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Thanks!
Now just gotta weld up my charge pipe/manifold!
Old 01-26-2012 | 11:27 PM
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I have done exactly what you are talking about and it worked perfect. Except I used a Fugita 2.75" MAF adapter. I did: TB-----Coupler(2.5"to2.75")----2.75"MAF-----Coupler(2.75"to2.5")-----then a little 2.5 piping and the BOV. Never had ANY issues with boost blowing it off. Used a few t-bolt clamps and was good to go. The only issue I ever had with couplers blowing off was right on the compressor side of the turbo (That lil sucker!!!! lol )
Old 01-27-2012 | 02:40 AM
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Already cut them to the point I can't get couplers on them. Lol
Found two hairline cracks on my mani, not sure if its worth all the effort welding them or to just get a new/used one.
Old 01-27-2012 | 02:47 AM
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Post pics Paul just welded up my old mani and he did a great job considering it was in the worst spot ever.

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Old 01-27-2012 | 02:54 AM
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Ill def take pics but a new mani is 150$ and the one crazy welder in my area wanted to charge me 200+ for the welding of two HAIRLINE crack each about 2-3 inches long. And wanted 125$ to do two welds/weld my flange onto my charge pipe!
Old 01-27-2012 | 02:55 AM
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^was your mani stainless? Mines cast lol a lot more difficult to weld/cheaper to replace..
Old 01-27-2012 | 02:34 PM
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what mani are u running? i have a couple mani's layin around. i have a treadstone cast mani and i have a top mount mani that has a hairline crack on the wg flange. i can weld it up for u if ur interested.


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