Lampy in wa Oz runs an L series with Ka head making 286hp ate
in a heavy 510 so that could also be your last option if nothing
else is allowed by Peter on your side of the pond has a ga16
ready for what I thought was up to 1.6class but if its 2L then
better go for the full cubes! sr20ve is hard to ignore if allowed.
https://www.youtube.com/watch?v=ut0hQc8pWOw