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Some pictures here from my APX rebuild thread Engine rebuild and trackday project log

The TT Bently manual is odd as it seems to skip engine assembly chapters.

I used the ring clearances from here Audi Workshop Manuals > A3 Mk1 > Power unit > 4-cylinder 1.8 ltr. 5-valve turbocharged engine (154-165 kW), mechanics > Enginecrankshaft group, pistons > Dismantling and assembling pistons and conrods > Pistons and conrods - exploded view and I think nearly all the 1.8t's are the same?

My understanding is different ring gaps based on increased horsepower is only for aftermarket pistons with different thermal expansion properties but I could be wrong.
 
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