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Starting my 04 CTS V twin turbo build

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Old 07-22-2014, 10:23 PM
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Default Starting my 04 CTS V twin turbo build

I finally get to start on my twin turbo build for the v. I have a lot of questions and would like any kind of input I can get. This will be a slow build, but I will keep it updated. This will be a street car, and maybe see the track a few times.

The build:
lq4 370
317 untouched heads
Trunion upgrade
ls9 gaskets
tu1.5 cam
twin turbonetics t3/t4 .63 turbos spec'd by huron speed
precision 39mm wastegates
91 octane with meth
fic 2000 injectors
Goal, 1000whp

The only things I have now is the lq9 and turbos. So if you would suggest anything different, let me know. Few questions,
What should I run for compression? I was leaning towards 10:1
What intercooler would you recommend? Treadstone?
Being this is an ls6, would that have the same reluctor wheel as the 02 lq4?

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Old 07-23-2014, 06:02 AM
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H8R
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10.1 sounds a bit high on compression unless you're running E85 and a really good tune. I could be wrong...
Old 07-23-2014, 10:38 AM
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Originally Posted by H8R
10.1 sounds a bit high on compression unless you're running E85 and a really good tune. I could be wrong...
Compression is just fine on pump gas. No problem at all.

I'd be more worried if it was a stock rear diff/suspension assembly 1st gen...cause that...would be a waste of a power plant. It's like being billybadass boxer but you have a glass jaw.

No bueno. In for the build though, car looks good.


edit:sig says diff mods.
Old 07-23-2014, 11:21 AM
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Agreed^

Car looks great, love the stance.

Any plans on upgrading differential/rear end?
Old 07-23-2014, 01:49 PM
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Thanks. Mods in sig. I did the 8.8 last year. This is my first forced induction build, so I appreciate the input, good or bad.
Old 07-23-2014, 04:52 PM
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Tig
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That is one bad *** lookin car.
Its going to be bananas after the twins are born.



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