Originally Posted by
990driver
I just bought a o.s speed euro2 and I’m just curious if it’s highlights are considered to be more of a top end or bottom end engine…I believe I’ve heard it’s more of a top end engine but I don’t 100% know for sure
I have seen and measured many OS (based) engines but have not seen any Euro spec engine but I believe the exhaust port will be a little bit higher for a higher top rpm that suits the European style tracks.