Hi, I am Grant from South Africa Background: Vr6 turbo charged 2.9 running on 100% ethanol, boosting 2 bar and car makes 407kw and 780 Nm. Problem: Car was fine for 2 years on 1.5 bar and ethanol but now I keep on melting number 3 and 5 piston on higher then 1.6 bar boost. What can I do to still make the power without melting the pistons.