Forced Induction Superchargers | Turbochargers | Intercoolers

Is 102mm TB to big for single turbo?

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Old Mar 26, 2017 | 10:36 PM
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Default Is 102mm TB to big for single turbo?

Hey guys I'm wondering if my 102mm fast tb might be to big for my set up. Thatway I can return it for a 92mm. This is what I have

5.3 single turbo 75/58 vs Racing
Lsxrt fast intake
228r cam
Ported heads and intake
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Old Mar 26, 2017 | 10:39 PM
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Old Mar 26, 2017 | 10:52 PM
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Is that you Dennis? Did you make a new account. Jk
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Old Mar 26, 2017 | 11:40 PM
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^^Lol!!!
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Old Mar 27, 2017 | 07:25 AM
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to big? well it wont kill you but it is overkill
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Old Mar 27, 2017 | 12:14 PM
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You lose a lot of throttle transition and resolution down low is all, and since the engine can only take in so much air, right around half throttle will equal full throttle. In a boosted application I match throttle blade to intercooler piping

Now all motor stuff is way different, but even then a 5.3 can only suck in so much air and a 75mm throttle body is most likely plenty
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Old Mar 27, 2017 | 07:41 PM
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I'd you already have it, rockit!
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Old Mar 27, 2017 | 07:49 PM
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Originally Posted by Nathaninwa
You lose a lot of throttle transition and resolution down low is all, and since the engine can only take in so much air, right around half throttle will equal full throttle. In a boosted application I match throttle blade to intercooler piping

Now all motor stuff is way different, but even then a 5.3 can only suck in so much air and a 75mm throttle body is most likely plenty

thats interesting to know. thanks!
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