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Which turbo with my build ?

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Old Feb 7, 2014 | 06:11 PM
  #1  
hilio's Avatar
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Default Which turbo with my build ?

Hi guys, i´m gathering some stuff together for my 2002 WS6 turbo build.

Here is what i have.

Engine:

LS1 with ARP head/main studs and ARP rod bolts.
Stock LS1 heads. 10.1:1 CR
LS1/LS6 intake manifold + throtllebody.
Camshaft: will get some custom ground, any reccommendations on that ?

Drivetrain:

Built (750 hp) 4l60e transmission.
Circle D Specialities 4000 - 4200 stall.
3.23 diff.

Turbo setup:

Huron Speed V2 Single T4 Turbo Kit
Turbos which i´ve been looking at are: BW S400SX-76R BILLET* and S400SX-78R BILLET* with race cover. Should i go with 1.10 A/R or 1.25 A/R.
Wastegate: Undecided.

My furture plans are to put a 370 forged motor in, and a TH400 trans, aiming for 1000 rwhp+, so i want to go wit the biggest turbo my LS1 can handle. I will also put in meth injection.

Best regards.

Hilmar Ingi
ICELAND
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Old Feb 7, 2014 | 07:09 PM
  #2  
HexenLord's Avatar
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I'm confused. You want to go with the biggest turbo your ls1 can handle but you also want one capable of 1000whp?

Either of those turbos will hit 4 digits and blow your stock ls1 bottom end apart.
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Old Feb 7, 2014 | 08:03 PM
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Originally Posted by HexenLord
I'm confused. You want to go with the biggest turbo your ls1 can handle but you also want one capable of 1000whp?

Either of those turbos will hit 4 digits and blow your stock ls1 bottom end apart.
I´m sorry, i made my self not clear enough ! I ment how big turbo is the LS1 capable to spool, without insane lag ? I know i will blow that LS1 to pieces with 4 digit hp number I will not go mad with the boost until i have built motor, i just don´t want to buy another turbo further down the road in the build because i live in ICELAND and the market here is very small for used parts and rediculously expensive !
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Old Feb 7, 2014 | 09:34 PM
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If you want spool, then get the smallest turbo that is capable of your goals. That billet 76 can spool super early with proper cam and converter.
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