08-01-2014, 09:05 PM
Normally you would measure (probably best to get the machine shop to do it for better accuracy) the head height after skimming then you can work out what HG you need from that.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft