wit the std gasket, it lasted for 2years kot, and then the head terangkat. upon opening the engine head, we found dat the gasket wasnt burnt pun, so it was the headbolt. changing to new cometic metal gasket and arp bolts, the compression was raised beyond the std spec. dis engine has been running high boost, high compression for around 2 years and counting and still performing good.
trust me bro, its not the boost dat kills engines but rather poor tuning
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apart from the arp bolts and cometic gasket, everything else is bog std. in fact, the engine was running fine before changing those two things @ 1.7bar of strong boost