Thread: Turbo Swap
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Old 04-02-2008, 05:59 AM   #2 (permalink)
docurley
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That's it for our manifolds but you can upgrade the K04 Turbo to 225TT spec which I'm having done as we speek I'm hopping it will produce (with additional Parts) around the 280bhp mark once done.

I will post up how it all goes but this will be the spec once done.

Quote:
Your turbo swallowed something, similar to Mark's situation. I will send pictures of the damage soon.

At this point you will need a new K04 shaft unfortunately we have a slight waiting period since recently selling out.
There are 8 new K04-023 shafts arriving in 2 weeks and we will hold 1 shaft for this project at your request.

The upgrade I have in mind has our largest wheel options for the K04-015 and includes the SP51X compressor.
The "X" wheel will be tied to a K04-023 turbine shaft, this shaft is found specifically on Audi Motorsport cars.
This upgrade requires re-profiling of the turbine housing to accept the larger K04-023 turbine shaft.

The K04-023 has approximately 3mm larger inducer compared to the K04-015 sharing the same exducer.
In addition this upgrade includes the over-sized SP51X compressor wheel, updated Bearing Housing with "twin-feed"
oil c****s and every CHRA that leaves this workshop is tested to the extreme.
The Turbo I bought was a dead unit as most of the internal will be replaced and had it not had a dead shaft it would have been a little cheaper but for me it will add up to be no more than a new K04-15 Turbo.
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