Any sifu can advice:
Took out battery for a week after horn suddenly go berserk..
After put back the battery, the car engine rpm seems like dropping to below 500 rpm when car going for a complete stop, like stop in...
guys i just install a brand new wastegate..
eh replica tial 38mm...
but no sound coming out from the wastegate at all..
there is no leaking in the piping or anyway else...
when i boost...0.9 no problem, boost...
what are the mods we should do for big horsepower?
for eg. like changing to bigger turbines,pistons,high cams,metal gaskets,external wastegates...what else???