Plans for another engine

For some time now I started to collect engine parts to maybe some day assemble my first ever engine. Latest acquisition is a lightend and balanced flywheel with pressure plate and clutch. That flywheel is out of a Vegantune X-flow and is based on a standard flywheel. Another engine I recently bought came with an even lighter flywheel, but I don't know where it comes from. Both have 110 teeth gear rings. This gives me a choice of two (6kg or 6.6kg). Steel flywheels normally are sub 5kg.
The pressure plate apparently has been balanced as well since it spots some holes in the cover. It weighs around 3.6kg. I don't know if I will use the clutch disc, I may opt for a new one. The Sierra Type 9 gearbox needs a 1" 23spline pattern and I also have a very old (and very light!) four speed box, with a 7/8" 20spline pattern. That pattern is the right one for the clutch disc included with the Vegantune flywheel and pressure plate.
Some more parts to purchase from now to next winter, and maybe then I will assemble a nice, high revving, well balanced and powerfull X-flow.
Cheers.