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.
Guys, I have installed a set of HID my self last 2 months or so but surely less than 6 months. Then starting last month the (L) side HID sometimes won't turn. I've to switch off the lights and switch it back on again...
as i gonna dohc-ing my head to 4g93.so i think of make it become red.1st of all,should i take the head to spray then only put on or i should wait after the mech modded it then only i spray?
and can i spray it on my...