2mm will make the different already. More air to go in to the air chamber and combusion room. That's why some bore it until 64 or 67mm... After market TB like Jun is 70mm at inner diameter. But bigger doesn't mean better, big enough for ur engine OK lar. Don't tell me a stock b16a is going to put a 67mm or 70mm TB.
1) The emu is already tuned by a tuner. i wanted to run a datalog, so I connected my laptop to my emu, and a popup came up "Import data from emanage" and i...
I recently upgraded to stainless steel piping/walbro fuel pump however my actuator kong twice resulting over boost.Recently my con rod bengkok and piston damaged.