would like you all to help me with the above.
i just fully overhaul my engine 4G92 with 82mm piston oversize.
the workshop guy asked me install the above but the current piston now is bigger then the...
Currently i using gsrt turbo std tdo4h in my wira. Last time my boost meter reading 0.7-0.8bar..suddently...around few week i have problem with my boost drop.. The car performance drop.. n my boost...