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454 LSX - Need help picking a turbo

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Old 07-31-2012, 02:04 PM
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Default 454 LSX - Need help picking a turbo

Hey guys,

So, I finished my 454 LSX N/A build a few weeks ago. I skipped a few things that would increase the efficiency N/A...


or..

I was thinking about doing a truck manifold build... ~900-1000WHP

My question is what size turbo (housing and all) would allow me to run ~10#

I did the math, and at 14psi, Id need ~120lb/min...

Thats a big turbo...

Could I get a smaller turbo to work through housing choices?

Last edited by PUNISHER TA; 07-31-2012 at 02:12 PM.
Old 07-31-2012, 02:12 PM
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What's the CR? What other components were used in the build?
Old 07-31-2012, 02:31 PM
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88mm plus.
Old 07-31-2012, 02:39 PM
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11.4 SCR


LSX Block
Forged bottom end
LS7 Heads
Morel lifters
Cam would get swapped out
Fuel system would get upgraded
Old 07-31-2012, 03:20 PM
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Originally Posted by PUNISHER TA
Hey guys,

So, I finished my 454 LSX N/A build a few weeks ago. I skipped a few things that would increase the efficiency N/A...


or..

I was thinking about doing a truck manifold build... ~900-1000WHP

My question is what size turbo (housing and all) would allow me to run ~10#

I did the math, and at 14psi, Id need ~120lb/min...

Thats a big turbo...

Could I get a smaller turbo to work through housing choices?

88mm minimum....turbine wheel will be your critical choice more then compressor wheel.



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