25-08-2014, 03:12 PM
Don't know who told you that but its not true. By doing the above, you have basically built a GTi engine without the higher flowing head and correct ECU with the correct map.
The bottom end between the XSI and GTI is virtually identical so no change there.
The bottom end between the XSI and GTI is virtually identical so no change there.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft