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Discussion Starter · #1 ·
Hey guys what up, I had a question, its totally off the subject of V6 tech but nobody seems to know the awnser. So here it is, my friend has a supra and he said he had a turbo thats pushin 20PSI!!!!! is that possible? oh ya he says it has 350 Hp
 

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Of course it's possible. You have to have a built bottom end to handle it, though. I've seen cars push as much as 50-60 psi. These are drag race only cars but it is possible.
 

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speedytang said:
For a Turbo 20psi is the norm.
no, it's not! it's usually between 6-12 psi.

20 psi is usually for dedicated race vehicles.
 

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Discussion Starter · #5 ·
kscoyote said:
no, it's not! it's usually between 6-12 psi.

20 psi is usually for dedicated race vehicles.
ya thats what i was thinking, thnks for the help ttyl.
 

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kscoyote said:
no, it's not! it's usually between 6-12 psi.

20 psi is usually for dedicated race vehicles.
Yea, and a built Supra with that much horse would have 1000+ horse.
 

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These days 20psi on a 4 cyl is really not that much. You could easily run that on the street with 94 and a good tune. My 347 has 32 to 34 psi but it is on 116 octane.
 

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tbird said:
These days 20psi on a 4 cyl is really not that much. You could easily run that on the street with 94 and a good tune. My 347 has 32 to 34 psi but it is on 116 octane.
yeah, but those are inline engines, and that's not OEM, except for a FEW special edition cars with handbuilt engines (SRT).
 
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