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  #1  
Old 03-24-2005, 01:33 PM
austin_Springer austin_Springer is offline
 
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Default safe psi on stock!!

what is the safe psi limit for an adjustable aftermarket turbo on pump gas. Ive heard alot at around 7 psi but as much as 15!!
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  #2  
Old 03-24-2005, 04:42 PM
riceburner700 riceburner700 is offline
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Default RE: safe psi on stock!!

6-8 psi on a stock engine before the bottom end is going do some things that you just dont want to happen.
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Old 03-25-2005, 10:15 AM
turbob18c1 turbob18c1 is offline
 
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Default RE: safe psi on stock!!

id stay at 6 psi for street and buy a turbo xs dual stage boost controller and itll be safe to boost up to 13 psi for the track
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Old 03-25-2005, 10:41 PM
sacicons sacicons is offline
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Default RE: safe psi on stock!!

does that one have a way to set up separate fuel maps, and all you have to do is change the fuel and switch it over? im sure i heard about one of those, i just cant remember who made it.
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Old 03-25-2005, 10:59 PM
se7ensectoolate se7ensectoolate is offline
 
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Default RE: safe psi on stock!!

I've always used this rule of thumb for stock internals. You can add (forced induction, not bolt-ons) around half the power that the engine makes. So if you're making 110 hp bone stock, your engine should be able to handle an additional 55 hp with no serious problems, whether that be from turbocharging, supercharging or nitrous.
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Old 04-28-2005, 09:47 PM
riceburner700 riceburner700 is offline
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Default RE: safe psi on stock!!

what if you are turbocharging 6-8psi and the smallest shot of nitrious
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  #7  
Old 04-28-2005, 10:31 PM
Kappa22 Kappa22 is offline
 
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Default RE: safe psi on stock!!

Of course there are exceptions to every rule of thumb. For example, a boosted 5 or 6G D series can handle about 75 boost hp... and you can get that with about 8 psi, so just stay around there on stock internals.
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  #8  
Old 04-28-2005, 10:55 PM
se7ensectoolate se7ensectoolate is offline
 
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Default RE: safe psi on stock!!

True, 6-8psi on stock internals should be no problem. Mine was very conservative.
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  #9  
Old 04-29-2005, 03:50 PM
blakcivic95 blakcivic95 is offline
 
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Default RE: safe psi on stock!!

I'm just wondering would it be ok to boost a d16z6 or just get a new motor like a b16a? What would be better? I already have the d16 but I am wanting to know if it would be better to build the internals and head and boost it or just get a b16a and run it stock internals with turbo and what would be the max psi I can put on both?
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  #10  
Old 04-29-2005, 04:00 PM
ngoti 8tor ngoti 8tor is offline
 
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Default RE: safe psi on stock!!

Better to build the internals while you have the engine out of the car. It can never hurt to have extra strengh for any future mods.
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