Introduction Audi’s CAUA engine was a 4.2-litre V8 petrol engine with direct injection that powered the Audi 8T S5 Coupe from 2007 to 2011. Key features of the CAUA engine included its: Closed-deck, aluminium silicon-alloy block with reinforcing bedplate; 90-degree ‘V’ angle; Cast aluminium alloy cylinder head; Double overhead camshafts (chain-driven) with inlet and exhaust […]
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