Yes, a 1776 is ok. i allready have one i my bus, it has a set of Kadrons and does bring the bus up to 130 km/h. It is the 3 rib gearbox that sets the limit. At 110 km/h its about 4600 revs.
The type 4 2l engine adds torque! But i would never mate it with a 3rib, if i did'nt have the 6 rib, i...