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Please help me spec a turbo for my 4.8L

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Old Jul 25, 2013 | 10:19 PM
  #31  
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The sites prices are not correct. Call them and get the corrected price. Their site is behind a few years.

Race cover increases the hp potential.
Billet wheel increases the hp potential.

But only one helps spool rate.

Now the race cover has a smaller discharge OD.
Making for a nicer look.
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Old Jul 25, 2013 | 10:35 PM
  #32  
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Yea I plan to give them a call tomorrow. I will be out of town for the next week and a half so I'm not in a rush. I am going to go with the race cover but probably not the billet wheel. Rick, would you need the turbo to make the hot and cold side for me?
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Old Jul 26, 2013 | 04:23 AM
  #33  
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No. I would Need to T4 or T6. I have housings here.
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Old Jul 26, 2013 | 08:35 AM
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My precision 76/75 on a 4.8 was a blast @ 23psi !!! Took 10 feet to spool, then it would rattle the 315's on the street and take off.
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Old Aug 21, 2013 | 05:36 PM
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So I called ForcedInductions today and he spec'd me a S480/92 T4 turbo.

Obviously I don't want to go that big on my little 293. I want a fun street truck that can make 800whp when I want to turn it up so that turbo seems huge. Thoughts?
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Old Aug 21, 2013 | 05:48 PM
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I thought you asked this already ?

Cast 475/83 will do it.
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Old Aug 21, 2013 | 05:59 PM
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Don't be a doucher. I'm new to turbos and am wondering why he would spec such a large turbo on such a small engine. The turbo you mentioned is the one I plan on buying, it just caught me off guard when he spec'd something so big
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Old Aug 21, 2013 | 08:14 PM
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You can ask 10 people and you will get 10 different answers. I know since im in the same boat. I talked with FI couple of Times and each time I was told something different. im leaning more towards the billet s476/92 or 96 with upgraded wheel and race cover in a T4.

Last edited by Blackbird-WS6; Aug 21, 2013 at 10:14 PM.
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Old Aug 21, 2013 | 10:41 PM
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Originally Posted by Blackbird-WS6
You can ask 10 people and you will get 10 different answers. I know since im in the same boat. I talked with FI couple of Times and each time I was told something different. im leaning more towards the billet s476/92 or 96 with upgraded wheel and race cover in a T4.
What are the engine specs your running?
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Old Aug 21, 2013 | 11:33 PM
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Will be on a 4.8/5.3 until I build a 370ci
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