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Simple turbo questions.


Gaz

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Yeah they sound way different with more boost, I was running 21psi through it with the spring done fairly tight and it sounded sweet!

Sounded pretty much the same running 15psi with a single turbo as well.

kinda hard to pick over all the noise lol
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  • 2 years later...

i'm a fair noob on turbo hardware,

need an external gate for a turbo on a 5.3, what size ? brand etc?

not big boost 8-12psi max.

also bov

just after any snippets that could help,

adjustability etc availibility of 8ps1 springs etc

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depends on the exhaust gas flow and how much you need to bypass if you want to get all technical. Single turbo or twin?

If single I would think 45mm minimum. I suggest searching on www.theturboforums.com as thats full of turbo mustangs/chevs etc. which will be most similar to what you are trying to acheive.

But as far as brands/support goes stick to the known ones i would say, tial/trust/hks/sard/turbonetics/garrett. Tial usually seem to be best value and have the most support, but let google help you/see if you can buy that shit from summitracing

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I run a single 48mm TIAL external on the FD.

Has held up fine so far, running 12 psi fine with no creep or spiking.

I'm guessing for a 5.3 litre you'd want something much larger? How big is your turbo?

60mm maybe? or twin 48mms?

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it depends how much exhaust gas you need to bypass to control the boost, which depends on engine mass flowrate (power basically) and intake and exhaust pressure levels.

That said having a larger wastegate than neccesary is better than smaller.

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