I'll be fitting the pistons and cylinder block this week. Bottom end is done and in the bike. Normally I would fit the pistons to the rods, support them and using a pair of ring compressors push the block down. Done this many times it seldom goes to plan without a few hick ups.
Recently saw a video of a guy fitting the pistons to the block then supporting the block and fitting the gudgeon pins. Its looked like there was less to go wrong (so long as you didn't' drop a circlip).
Thoughts, advice, comment please.