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Hey guys

I was trying to set my boost today, and as i was driving it went up to 20 pound for a split second

My cars a rb20 silvertop with r33 turbo

It is now making a loud wooshing noise like air is pushing out, it is still generating boost but stops around 6-7 psi, but i have the rb20 actuator so it should be around 11 or 12

Would my turbo be blown, or just a major vacum leak?

I have checked all the intercooler pipes (but it is night, so i can't see everything), but nothing seems to be wrong

any ideas?

Also idle is very rough and jumps down to about 100 and back up constantly

Thanks for any help

Edited by shaunmlawry
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https://www.sau.com.au/forums/topic/149020-is-my-turbo-blown/
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probably not

it would whine n squeal like a bitch and usually make bugger all boost

you may also see oil coming out of the throttle body / intercooler silicon joiners, that usually the oil seal in the turbo shagged

probably not

it would whine n squeal like a bitch and usually make bugger all boost

you may also see oil coming out of the throttle body / intercooler silicon joiners, that usually the oil seal in the turbo shagged

Thanks

Much appreciated

Hopefully it is only a vacum leak

I will find out tomorrow

Thanks again

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