The Alfa Romeo Twin Spark (TS) technology was originally developed by Alfa in the early 1960s in their race cars (GTA, TZ) to enable it to achieve a higher power output from its engines. And in the early and middle 1980s, Alfa Romeo incorporated this technology into their road cars to enhance their performance and to comply with stricter emission controls.. Alfaholics Twin Spark 2L Engine Package (Stage 2, 200BHP) £7,095.00 GBP (ex vat) TWS4658.

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The 'Twin Spark' engines. In the current Alfa Romeo world the "Twin Spark" name usually refers to the dual ignition engines installed in Alfa Romeo cars. The 8-valve engine was fitted initially to the Alfa Romeo 75 but also the 164 and 155. The 16-valve engines appeared in the 145, 146, 155, 156, 147, 166, Alfa Romeo GTV & Spider and Alfa Romeo.. The Twin spark, named after it's clever ignition system of firing 2 spark plugs to ignite the charge in each cylinder. On the 8v engines both sparks happen concurrently, the 16v engines the sparks would be timed for maximum effectiveness. This allows a very lean mixture to be used and offers a really smooth idle.