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ko3s to ko4-023

Help wanted AUQ turbo

I have mk1 180bhp cupra AUQ engine i need a new turbo i was thinking about putting the KO4-23 in instead of the ko3s. If I was to do that what else would I need for that conversion please bear with me I'm new to the 1.8t fancied a change from my cooper s
- Mark Bateman
- Thread
- May 5, 2020
- ko3s to ko4-023
- Replies: 1
- Forum: Leon Mk1 (2000-2006)

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