Intressant ja ☺
Gen2 piston with flat crow for the 405-cylinerhead with modified standard combustions with 7,2:1 in compression - Pic 1.
- Gen4 piston with optimized crown for the 531-cylinderhead with modified combustions of type "Porsche" with 8,2:1 in compression - Pic 2.
http://forum.vccn.no/img-dump/2018/01/87.jpghttp://forum.vccn.no/img-dump/2018/01/88.jpg
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