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.
Everybody has been so tied up in the Lotus vs. Lotus feud that nobody has actually found out where the Chapman clan stands on the issue. Well now, Colin Chapman’s...
Hi All MR bros,
I have been trying to upgrade my turbo for a long time and not much progress.:stupid:
Here I have finally start my project, just to share ...........:proud:
Attached here is a custom built SS turbo...