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Posted

Dont understand how it could cause damage tbh

Ct9's don't like compressor surge I destroyed a standard and speedvision running no dv.

td series are strong enough to handle it

Posted (edited)

from what I have heard it just cuts down the turbo's life span , by how much I don't know and ive never seen it proven. so it will only be shaft play, im assuming, don't think it will blow the turbo up


Edited by Dean_mc88
Posted

It never blew the turbo just fucked it, the force induced on the compressor wheel and shaft as all of that compressed air is forced back through it spinning it the opposite way must be immense ..

I ran with a gauze as well it sounded incredible

Posted

Think about it though, the turbine is still trying to spin the turbo whilst at the other end the comp wheel is having airforces back through it at the same time, no wonder it killed mine

Posted

My speed vision lasted a couple of thousand and the standard even less but I was permanently making it chatter lol

I loved it

Just do it lol you know you want to. Turbos are cheap and easy to change anyway

Posted

It isn't that bad.. who's to know that the turbos might not already have been faulty. I ran my 20 odd year old ct12 with no dv for 100k and It never went. Now I'm running the ct15 on the 1j and that's ceramic


Posted (edited)

Still dont get it, the compressor blades spin like made with masses of air passing through them so why would it cause damage from air passing the other way

Edited by Haresign
Posted (edited)

It's the fact that it's still trying to spin forward. The exhaust side is still trying to spin it forward but the throttle being shut of with no pressure release is trying to stop the compressor side to release the compressed air.

You've got a relatively small bar with 2 opposite forces acting upon them in a manner it's not designed for.

Thinking about it surely it would be stalling the exhaust gasses from leaving the engine too? That could also have negative effects on the engine?

Edited by morgey
Posted

I ran mine ct9 for around a year and half with chatter and it was fine. Turbo was still as mint as when I put it on when I removed it too.

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