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turbo size calculation question???

 
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bigtizzles
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Joined: 17 Nov 2010
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PostPosted: Wed May 18, 2011 3:45 am    Post subject: turbo size calculation question??? Reply with quote

Hey I was dicking around with the formulas on junkyardturbo.com http://www.junkyardturbos.com/ and had a couple questions. First off, this appears to be for a single turbo. Notice they are using a 350 for the example. How would you adapt these formulas for twin turbos? Also, I assume instead of using the volume of air at sea level (14.7) you would use a number for the altitude you will be operating at, right??
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SMOKEmUP
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Joined: 30 May 2002
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1979 Chevrolet Camaro

PostPosted: Wed May 18, 2011 8:13 pm    Post subject: Reply with quote

Pay $2.95 and use the calculator here.
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10sec.et
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Joined: 29 Mar 2006
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PostPosted: Wed May 18, 2011 10:49 pm    Post subject: Reply with quote

SMOKEmUP wrote:
Pay $2.95 and use the calculator here.


Laughing

i need to renew my subscription Embarassed

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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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Chadwards
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Joined: 08 Jun 2013
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Location: utah
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PostPosted: Sun Jun 30, 2013 8:23 pm    Post subject: Reply with quote

if it were me i would use half the motor. or one bank if you will. so for a 350 i would calculate for a 175cu in 4cylinder.

on a side note i really like twin GT35Rs on a LS1.
but in my opinion turbos should be matched to camshafts. so it depends on your camshaft profile.. just my .02
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