Some 83mm piston taikor, when you guys use Nissan / Mazda 83mm piston, do you guys mod on the piston to clear the additional valve seat? coz 20V is running 5 valve whereas those piston was taken frm 16v
care to share?
care to share?



. I'm a proud owner of a Proton Inspira 2.0E. 2012 model, purchased & collected 30th July 2013 which makes my car is only 6months old. All 4 tyres are Continental which came with the car.