Okay I find out when there is cold weather, 5-8 degrees ambient car would run almost flawlessly with great sound accompaniment, good news, is no camshaft/chain issue, hurray!
I probly buy new intercooler, however, price is totally unreasonable like 1K for dumb box with radiator, anyway, then I go to specialised shop with dyno so they can tune it as needed, I want to squizee some hrsprs from those 4.4 litres, stock is not an option, is very underpowered from factory given it has twin turbo setup on such a displacement.
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