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Forced Induction Superchargers | Turbochargers | Intercoolers

Best turbo size for lt1

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Old May 28, 2011 | 10:13 PM
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Default Best turbo size for lt1
I am gonna do a rear mount turbo setup on my stock 94 z28. Im aware stock internals are weak and will eventually fail but I wanna run 7 psi and see how long she lasts. Any knowledge or suggestions would be much appreciated, thanks!
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Old May 28, 2011 | 10:40 PM
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There's plenty of sponsors on here, and if ur serious about it, they could spec u out a turbo perfect for ur setup.
I wouldn't say " I want to run 7 psi "
Come up with a power number
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Old May 28, 2011 | 11:03 PM
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I wanna run lowest boost possible that creates the least amount of stress on the internals and im shooting to gain 100/125 hp.
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Old May 28, 2011 | 11:05 PM
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Id like to make around 400 rwhp...
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Old May 28, 2011 | 11:07 PM
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MG T70 and done.....

This size turbo works great on any stockish SBC from 400hp to 600hp
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Old May 28, 2011 | 11:20 PM
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Any opinions on an ebay t70? Im going cheap as possible so I can save for my build when she breaks. Thanks
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Old May 28, 2011 | 11:29 PM
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Another vote for MP T70, stay away from ebay turbos, a T70 is in the classifieds for 500 right now
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Old May 28, 2011 | 11:35 PM
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From: ky
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Modular turbo has good turbos for a good price. Go with them. Don't waste 300 bucks and have to do it twice.
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Old May 28, 2011 | 11:38 PM
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I agree on the MPT70 or maybe a MPT76, or Tnetics Tc76.
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Old May 29, 2011 | 05:30 AM
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notice that I typed MG T70

The MP T70 no longer exist, but I have a direct Magnum Performance replacement.
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Old May 29, 2011 | 09:30 AM
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Originally Posted by ModularTurbo
notice that I typed MG T70

The MP T70 no longer exist, but I have a direct Magnum Performance replacement.
What is this "f-body turbo "kit" in your Sig for $499??" theres nothing on your site about it...
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Old May 29, 2011 | 09:50 AM
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https://ls1tech.com/forums/forced-in...ing-499-a.html
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Old May 29, 2011 | 09:24 PM
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Originally Posted by murderedoutz
Any opinions on an ebay t70? Im going cheap as possible so I can save for my build when she breaks. Thanks
They are really ~60 mm and I used them twins are small for an Lt1, one for a rearmount is TINY. Try breathing through a straw that will be how your motor feels with an ebay 70.

A MPT70 will spool QUICK on an LT1. I would go larger a T76 with a P trim would be a great choice and give you growth for when you build motor

Good luck

Edit
1) and use a T4 flange so you have more choices T3 has fewer choices.
2) Q trim
Last edited by boosted LT1; Jun 11, 2011 at 10:53 PM.
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Old Jun 11, 2011 | 01:39 PM
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What brand t76? And I can use a t4 flannel with it? Message me
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Old Jun 11, 2011 | 10:51 PM
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Originally Posted by murderedoutz
What brand t76? And I can use a t4 flannel with it? Message me
Talk to Modular Turbo.

I WOULD go with MPT 76 with Q trim I typo'd in last post

http://modularturbo.com/storefront/p...products_id/33

BUT Rob will likely recommend smaller...if you stay SMALL a 70 is better but most of us go bigger and rearmount would love a Q trim....
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