I did the coating for exhaust manifold and turbo housing...
It does help prevent the heat travelling to radiator,which causes overheating,or aircon shut down...
right now i'm researching new tyres for my wife's Swift ZC21S
orginal tyre size 185/60R15
changed to 16" rims and use Toyo DRB 195/50R16 (-0.27% diameter)
now i'm looking for 205/50R16 (+1.39%...