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Pick me a turbo, T76, TC78, T78 or other?

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Old 07-25-2010, 01:10 PM
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Default Pick me a turbo, T76, TC78, T78 or other?

I'm sure this has been asked many of times. Just a turbo is a big investment and just want to buy a turbo for my car one time. I've tried to call Forced Inductions.Com.. (site sponser) But they must be on vacation. So heres my combo. I have a 317 headed ls1 that I will forge or go with an ls2 in the future so I want room to grow. My goals are 550+ maybe 650 or more once its forged. So the TC78 is smaller then the t78 and t76 but will support as much as a t76 right? So what turbo and a/r will be good for me? I was thinking a TC78 w a 1.10 a/r. Anyone have ideas? Thanks a million
Old 07-25-2010, 04:05 PM
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I would say the TC78 should be enough for 650+whp.....
Old 07-25-2010, 04:12 PM
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Thats what I was thinking. I'm curious about real world numbers people are making with the tc78.
Old 07-25-2010, 04:29 PM
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im in the same boat man

im building a ls1 347 with H beam rods wiceco pistons 9.3:1 cr turbo cam cnc heads and want good power 600+ @ 10-12 psi and pump gas.. when i hit the track tho i am looking for 800+ @17-20 psi on c16.. and maybe some spray to help get off the line... there are a few turbos i am looking at that include the ones on your list..

i also have an email in to forcedinductions.com waiting for an answer.

keep us updated and good luck on the build
Old 07-25-2010, 04:43 PM
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Ok thanks man. Any other venders to get turbos from?
Old 07-25-2010, 04:44 PM
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ModularTurbo.com is another vendor......
Old 07-25-2010, 04:49 PM
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speed inc does alot of turbo builds.. good place to talk to about your build also.. i will be running their TU1 turbo cam...

not 100% sure if they just sell turbos but might point you in the right way for one
Old 07-25-2010, 04:49 PM
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+1 for Modular Turbo. Give Rob a call, he'll hook you up.
Old 07-25-2010, 07:02 PM
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I'm thinking Modular Turbo it is. There websites glitching i think. I'll call them in the AM.
Old 07-25-2010, 07:28 PM
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I've gone 136mph in my 4200lb car on a TC76 with a .81AR... had to be making over 650rwhp. Hoping for 140+ on the same turbo with a .96 this year.
Old 07-25-2010, 07:47 PM
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The compressor cover is what is different about the TC, T, GTM, and Super T turbos. I believe I put the order correct in size from smallest cover to largest. As the compressor size increases, so does max airflow it can do. A TC78 will support what you want it to though.
Old 07-25-2010, 08:13 PM
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Damn good MPH with a TC76. So i'm gessing TC78 it is. TC76 puts out as much as the T70 hu?
Old 07-28-2010, 01:53 PM
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WOW modular Turbos hours are 4pm-midnight mon-friday and all day sat and sun? Why does there websites show security threats on both of my computers? Hell and his mailbox is full. Is there anyone that wants to sale me a $1k turbo?? Anyone else that does turbonetics? Thanks
Old 07-28-2010, 01:57 PM
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I have the turbonetics 78mm .96a/r hurricane series turbo. Im pushing 600rwhp and 700rwtq at about 12psi on my 404ci....
Old 07-28-2010, 03:35 PM
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We carry the TC78's. Let us know if you need one.
Old 07-28-2010, 03:50 PM
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Figured out once going on with Modular Turbo, I guess his Website was hacked...He's getting it fixed now. Nice guy. Called me back like 15min later.



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