Pontiac Solstice Forum - View Single Post - Interesting info on our stock KD04 turbo

Quote:

Originally Posted by EcoBoost

The KO4 Series has many different iterations, depending on intended usage. It is on your LNF in one of these iterations.

The early MkIV 1.8T used a K03 which was followed by the K03s. Simply a K03 with a lager compressor.

The K04 appeared on the Audi TT. The first a K04-10 and then the TT 225 had a K04-20. I believe the the bi-turbo RS6 also used K04's. These were not twin scroll unlike the MkV GTI's K04.

The difference is hardly noticeable when they are set side-by-side.

All of these were developed by Borg-Warner.

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The Boogeyman

Stone's modification page

	Mr. Stone Member Join Date: Sep 2007 Location: The Woodlands, TX	Quote: Originally Posted by EcoBoost The KO4 Series has many different iterations, depending on intended usage. It is on your LNF in one of these iterations. The early MkIV 1.8T used a K03 which was followed by the K03s. Simply a K03 with a lager compressor. The K04 appeared on the Audi TT. The first a K04-10 and then the TT 225 had a K04-20. I believe the the bi-turbo RS6 also used K04's. These were not twin scroll unlike the MkV GTI's K04. The difference is hardly noticeable when they are set side-by-side. All of these were developed by Borg-Warner. __________________ The Boogeyman Stone's modification page