First, get the books mentioned above. Read them from cover to cover, then decide what you want to do. Talk to machine shops about your intentions. Get prices for various machining. After you see the costs, decide if your budget will allow everything you want. If you can afford a complete rebuild, then why not let the shop assemble the engine for you? It only costs about $150 for them to assemble it, but there is nothing like the feeling you get from building your own. If you build it yourself, you will need to purchase a dial indicator, magnetic base, and a set of micrometers. Decent tools will run you about $250 total. I suggest that you always have a machine shop do your head work unless you really know what you are doing. After you bloody all your knuckles and spend the next five days cleaning your block, you may wish you had spent the $100 to have it boiled. Now with the tools you bought, you can go through the step-by-step instructions from the book and check all your measurements with the exception of cylinder taper (tool costs way too much $). Now you can order your parts. Take the block to the shop and have them do all the machine work and press the bearings. If you needed to buy new pistons or rods or a crank (unlikely), then you will need to give these items to the shop to balance them. Now you can put it all back together, but it will take you a month to do it because you don't have a buddy helping you and you have a million questions. Sounds fun right? And here's the kicker, once you build one, you can't wait to start another!
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