remove vanos.
ECU Master standalone ECU tune
CP 12:1 piston
big one IN. and EX. valve
aftermarket strong valve spring
custom modify head
custom modify block
custom modify crank and balance
284 cam and retard the timing
rev limit to 8,500
425cc injector used duty cycle 76.5% on the 8,000 rpm
final we got the 321ps on the rear wheel.
https://www.tag-parts.com
Tune by TAG Engineering
website - www.tag-parts.com
facebook - / tagengineering