Ok... I think nearly every recon car from Japanese have one of these gadgets. I've been ignoring it for awhile now, but recently it started to make these annoying sounds when going at high speed. Sound goes away when...
After some thinking, i tot of changing my car piston. I'm using evo 1 engine now. Stock piston with big turbo setup. I'm afraid it might not last long.
My mech said use 1J or Fairlady piston, rebore...