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GTOv2 - Going twins this time, sizing help!

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Old Dec 13, 2017 | 08:40 AM
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I'm really wanting to go with On3 now because of their vband turbine housings. I'm looking at:

1. Twin T3 61s http://www.on3performance.com/shop/o...-turbocharger/
2. Twin T4 61s http://www.on3performance.com/shop/o...-turbocharger/
3. Twin T4 70s http://www.on3performance.com/shop/o...-turbocharger/

I'd like decent spool but want enough power for 150mph in the 1/4 (I'm figuring 850rwhp) I would use vband housings no matter what (what AR?). Remember car is heavy and a stick and I'll most likely end up with a 4.8 or 5.3 for displacement on E85.

If the T3s can get me there, they'd definitely spool better with the smaller turbine and exhaust housing. Thoughts?

Thanks!
Adam
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Old Dec 15, 2017 | 12:16 PM
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Got my motor yesterday. 2006 4.8. This is perfect for me because it's still a 24x but it has the Gen IV internals weeeeeee. Now let's nail down a cam and turbos!
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Old Dec 15, 2017 | 03:55 PM
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Originally Posted by HydroStream6
I'm really wanting to go with On3 now because of their vband turbine housings. I'm looking at:

1. Twin T3 61s http://www.on3performance.com/shop/o...-turbocharger/
2. Twin T4 61s http://www.on3performance.com/shop/o...-turbocharger/
3. Twin T4 70s http://www.on3performance.com/shop/o...-turbocharger/

I'd like decent spool but want enough power for 150mph in the 1/4 (I'm figuring 850rwhp) I would use vband housings no matter what (what AR?). Remember car is heavy and a stick and I'll most likely end up with a 4.8 or 5.3 for displacement on E85.

If the T3s can get me there, they'd definitely spool better with the smaller turbine and exhaust housing. Thoughts?

Thanks!
Adam
i just ordered a pair of gt3582 billets from vs Racing. 61/63 .82 t3.
$300 each before Christmas.
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Old Dec 15, 2017 | 06:39 PM
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I saw those too! Just wish they had vband housings.
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Old Dec 15, 2017 | 08:50 PM
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Originally Posted by HydroStream6
I saw those too! Just wish they had vband housings.

they are v band I believe
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Old Dec 15, 2017 | 08:53 PM
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They definitely look slick but I want a vband inlet too.
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Old Dec 15, 2017 | 09:00 PM
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Originally Posted by HydroStream6
They definitely look slick but I want a vband inlet too.
ah my apologies, I thought you meant the turbine outlet
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Old Dec 15, 2017 | 09:02 PM
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Those are a steal for the price though.
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Old Dec 18, 2017 | 05:41 AM
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Turbos ordered. On3 GT35 61mm comp 63.5mm turbine, T3, 1.06 vband inlet housings.
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Old Dec 19, 2017 | 11:04 AM
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I've been debating on turbos also for a twin setup on a 5.3L. Mine will be an auto car though. I was wanting to go for 61-66 inducer wheel with a p-trim 64.5/75.5 .68ar t4 turbine. But for the money, I'm seriously considering these t3 gt3582 turbos!

https://m.ebay.com/itm/High-Performa...wAAOSwMQBaBGhS

Anyone tried these on a 4.8 or 5.3?
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Old Dec 19, 2017 | 01:16 PM
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Those look a hair smaller than the ones I'm getting. For the price, on a 5.3 or smaller, I'd give them a try!
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