Boost on RS4 B5......

Discuss common aspects of Audi RS and S tuning and modifications
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quattrosteph
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Boost on RS4 B5......

Post by quattrosteph » Sat Aug 12, 2006 6:26 pm

What is the maximum pressure (in bar) KO4 turbo's can run without taking the risq of a big BAAAAAAAAAANG!!? What pressure should be the safe limit??

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>RS4<
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Post by >RS4< » Sat Aug 12, 2006 9:10 pm

1.2 BAR and 1.5 peak pressure....
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Mik
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Post by Mik » Sat Aug 12, 2006 9:52 pm

Nah its higher than that, 1.4 BAR and 1.7 PEAK at least.

Mik
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>RS4<
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Post by >RS4< » Sun Aug 13, 2006 1:59 pm

I thought he wanted to stay on the safe side...... :wink:
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Nige_RS4
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Post by Nige_RS4 » Sun Aug 13, 2006 4:22 pm

I thought 1.5Bar peak was the safe limit too!
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Tomasz
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Post by Tomasz » Mon Aug 28, 2006 3:52 pm

I'm running with constant 1,5bar with the overboost up to 1,7bar. I did 10.000 kms with such boost pressure and it's still ok. I examined both turbos last week - their condition was perfect.
If you will take care of your oils (engine, gear box, diff.), spark plugs and filters your turbos and engine shouldn't have any problem with such boost.

Greetings.
Tomasz
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