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What is an APU?

Discussion in 'A4/S4 forum(B5 Chassis)' started by voteforpedro, Jul 13, 2010.

  1. voteforpedro
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    voteforpedro Member

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    Had an enquiry about my engine (AEB) on eBay. What's an APU?
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  2. olds_kool
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    olds_kool Active Member

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    its the later drive by wire 1.8t fitted 99 onwards
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  3. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator

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    DBW small port engine. If they fit the AEB long block and the APU manifolds and sensors it will be fine. There will be the large port to small port step but TBH it will be fine for anyone not searching for big power tuning
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