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What else needed for my turbo build? Aiming for 650rwhp

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Old Nov 13, 2013 | 11:11 PM
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Default What else needed for my turbo build? Aiming for 650rwhp

Hey guys, every single opinion, idea or advice is more than welcome!!
My current upgrades are on my sig.. Plus a TBSS intake and throttle body I just bought..
I ordered a stage 3 trick turbo kit with upgraded intercooler.
Already have ARP bolts, and will get LS9 head gaskets..
I am aiming for 650rwhp..
What injectors should I get?
Water/meth kit should I buy?
What Exhaust should I order?
Boost controller?
What else is needed to get closer to my goals?
Dont worry about tranny, I will get a built 4L80e..
Also, do you all think is worth the cam swap from my 220-112 to a triple 12??
Thanks to all in advance!!
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Old Nov 13, 2013 | 11:20 PM
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Originally Posted by Cammed4ever
What injectors should I get?
80lbs LS3 style from FIC will work great.
Water/meth kit should I buy?
take your pick they are all about the same.
What Exhaust should I order?
You will want to have a custom downpipe back setup. I like magnaflow mufflers. Otherwise you can pick what you like.
Boost controller?
The eboost is a nice reasonable model.
What else is needed to get closer to my goals?
A real good custom live tune from a very good tuner.
Dont worry about tranny, I will get a built 4L80e..
Also, do you all think is worth the cam swap from my 220-112 to a triple 12??
No. It will only make a small difference. If you get to the point where you want to pick up that last tenth or something then do it.
Thanks to all in advance!!
Hope that helps.
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Old Nov 13, 2013 | 11:27 PM
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Awesome!!!! Thanks man!!! How does the downpipe need to be?? I like magnaflow too! Does it need to be 4"??
What psi should I be running to get my 5.3 to 650rwhp??
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Old Nov 14, 2013 | 06:58 AM
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18-20 psi

Figure 15psi will double your engines output
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Old Nov 14, 2013 | 07:00 AM
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Meth kit- alky control is the only one with stainless braided lines and the ability to run 100% meth so not all are created equal.
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Old Nov 14, 2013 | 07:32 AM
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18-20?? Thats a lot for a stock 5.3 right??
Nic D will do my tunning..
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Old Nov 14, 2013 | 07:46 AM
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Yes that's allot.
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Old Nov 14, 2013 | 08:36 AM
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15psi is about the max on the "safe" side right?
Where will 15psi will put me in (hp)??
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Old Nov 14, 2013 | 09:39 AM
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Originally Posted by Cammed4ever
15psi is about the max on the "safe" side right?
Where will 15psi will put me in (hp)??

on my setup i gained about 17hp for 1psi

so 15psi you're looking at 550

plus you will need meth or switch to e85


even at that you may be past your turbo's efficiency limits, any more boost and you're just blowing hot air
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