Mini V8 Working Engine V2

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I've modified this so that it is easier to print, but it will take more time to assemble. I separated the crankshaft and pistons. Print the crank horizontally for strength. Also it makes it easier to lubricate this way. Print it on a raft as when I removed the raft it took most of the supports with it.

I've redesigned the pistons so that they snap on to the crankshaft. I've made it so that it is easier to put them on than it is to take them off. I've found it best to print the pistons horizontally. Uses internal supports on the head. It can take time to remove the supports in the head but I've found that carefully breaking the head free and leaving the supports inside works and doesn't affect performance too badly.
Sand the outside of the head before you put it into the cylinder and lubricate.

I had issues with removing the supports on the main block to make the bores smooth, so I split it into 2 different sized halves. This will weaken the block but if you glue it