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5.3 twin turbo

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Old Dec 18, 2012 | 07:05 PM
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Default 5.3 twin turbo

Im building an 89 s10 so I am tight on space. My plans were to use truck manifolds flipped and run a single billet precision. After seting the motor and mocking motor mounts it seems everything is in the way to do this...So i flipped the drivers manifold upside down and did the same on the passenger and discovered a perfect mount for twins... So thats the back ground

My motor is a stock 5.3. I put head studs on it and and ls6 cam with patriot gold springs. New rings re-gapped. Meling oil pump. I am running a truck intake with ls1 fbody injectors 80lbs. It will be SD with hp tuners software.

Now will these turbos be good for me or is there a better set.
http://www.ebay.com/itm/Turbonetics-...sories&vxp=mtr

They are the turbonetics hurricane Christina 72mm. I looked through thousands of threads and figured i would ask for an opinion based on my ap. If there is a better set please tell me, i only want to buy once. Im on a budget and cant afford to buy 5 sets for the heck of it.

I've seen tons of threads and hate to beat a dead horse...but I'm confused.

Also is two 45mm wastegates good. With a tial 50mm BOV
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Old Dec 18, 2012 | 07:15 PM
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what are ur plans for it?street or strip or both?what kind of power are looking to make?wastegates and bov should be good.
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Old Dec 18, 2012 | 07:25 PM
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It would be both. I liked to be in the 600hp range. More would be fine. I'm not sure what the tap out is on the intake and cam combo.
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Old Dec 18, 2012 | 07:34 PM
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1st gens are light as ***, again, how much power do u want? You don't have steering column clearance issues? I know you have a lot more room in the engine bay than me. Good luck bro.
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Old Dec 18, 2012 | 07:54 PM
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I had to change to different universals. I'll try to get some pics up. Tight though. Lets say I want to shoot for 650hp. Maybe more later as I can beef the motor up.
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Old Dec 18, 2012 | 08:00 PM
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You definitely don't need 72's for that power. 66's will make well over 1000.
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Old Dec 18, 2012 | 08:58 PM
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I would get a set of On3 61 mm's. They would work absolutely awesome in your s10. I run a stock bottom end 5.3 with twin ON3 70's in my 3870lb Chevelle and they work great. Ive run over 25lbs of boost with them on E 85. I would think the 61's would give you more than enough power with your weight and would be sick on the street, ie, instant spool. These are$324 shipped to your door. Can't beat that.

If you go to youtube and type in "Sinister 5.3 twin turbos" You will see tons of videos. Many of them current.
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Old Dec 18, 2012 | 09:01 PM
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I agree, 72mm's are a little overkill. You can even run 62's and make 1000hp and will spool faster.
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Old Dec 18, 2012 | 09:06 PM
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in that case i got one 66 sittin around would like to free up some cash
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Old Dec 18, 2012 | 10:51 PM
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Yup, even 62's would make over 1000.
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