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Old Mar 29, 2015 | 08:01 PM
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Default turbo recommendation

I will be reusing my stock ls1 block honed .05 over with forged pistons and rods. Im not sure how much power i can expect, but i want a turbo that will match up to the combo. I will be running tuck manifolds with an aftermarket turbo cam (undecided as well.) What turbo's should i be looking at? I also will be using a 4l80 trans.
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Old Mar 29, 2015 | 09:12 PM
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Originally Posted by Snap-On
I will be reusing my stock ls1 block honed .05 over with forged pistons and rods. Im not sure how much power i can expect, but i want a turbo that will match up to the combo. I will be running tuck manifolds with an aftermarket turbo cam (undecided as well.) What turbo's should i be looking at? I also will be using a 4l80 trans.
You need to give a little more info on what you want.
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Old Mar 30, 2015 | 07:33 AM
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This is mainly a street car. I want something that will spool somewhat quickly. If I can get 650 rwhp out of this combo, I'll be more than happy
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Old Mar 30, 2015 | 07:56 AM
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Originally Posted by Snap-On
This is mainly a street car. I want something that will spool somewhat quickly. If I can get 650 rwhp out of this combo, I'll be more than happy
Borg Warner S475 with an 83mm turbine in T4. 650 to the wheels with a decent spool on a 5.7 without pushing it too hard.
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Old Mar 30, 2015 | 08:43 AM
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Tc76/78 will get near 650 whp and spool very quick and easier to package than big s400
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Old Mar 30, 2015 | 08:47 AM
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I would run a standard frame T4 with a 75mm turbine wheel, will be efficient and give you a little room to grow beyond your 650 goal in the event you ever want to turn it up a little

Turbonetics Billet T7575 or Cast T7875
Precision 7675CEA

Any of the above will package very nicely in the engine bay, spool quickly on your set-up and be efficient up to the 850 rwhp mark!

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