Ran this thing with an N/A Rotary swap and it's probably one of my favorite vehicles to drive in this game. I'm sure there's far better machines but damn the Europa feels fun and fast to drive when it isn't trying to kill you.
I feel the rotary swaps are the best for light cars like the Europa due to its light weight and relatively low torque compared to other engine swaps.. Rotary swapped my Europa as well and it was a beast.
