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Safe Boost Level?

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Old 11-24-01, 12:44 AM
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Safe Boost Level?

Hey everyone
I was just wondering what the maximum boost you guy's would run a Stock Series 4?
and how much could you increase it if you put a full turbo back exhaust on it?
and at what PSI does the factory fuel cut come in?
Old 11-24-01, 12:50 AM
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factory full cut should come on at anything over 6psi, but some cars don't till 8-10. adding a full turbo back exhaust will bump you up to 10 easy and past fuel cut. you can get a FCD but at 10psi you are maxing out your fueling and should be doing some fuel mods as well.
Old 11-24-01, 02:42 AM
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I believe what PSTN KLR is implying is how much boost a series 4 motor can take before it blows, meaning with all the appropriate fuel and exhaust mods, and an upgraded turbo, how much boost can this motor handle

I am curious as to this myself
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