IN THIS VIDEO I MAKE PROGRESS ON THE 305 AND LS BLOCKS. I SHOW HOW I CLEAN THEM BEFORE I BEGIN TO ASSEMBLE. IT IS A LONG TEDIOUS PROCESS BUT WELL WORTH THE EFFORT.
HERE IS A LINK TO THE ENGINE CLEANING BRUSHES I USE AND THE PAINT I USED:
ENGINE CLEANING BRUSHES https://amzn.to/3KsX4sS
ENGINE PAINT https://amzn.to/3KseqpB