Go to a local junkyard and look for a wrecked Accord. I say wrecked because if it was wrecked that's probably why it's there and there is a good chance the engine was still running. Or if you can find one with under 150k miles it will likely be just fine anyway.
There are only a few critical pieces that you need to be sure of when you start the rebuild. Those would be the block, head, and crank. The block needs to be free of cracks and other damage and the cylinder bores need to be sufficiently close to stock so as to not need a major re-bore. If you plan to use stock Honda pistons then the bores need to be no larger than 83mm. Otherwise you'll need after market pistons, in which case you'll have to go forged for the kind of power you want. Any engine under 200k miles will likely have a usable block. The head should also be free from damage (warping, cracking) and the cam seats need to be in spec. This should be no big deal with any engine under 200k miles. The head surface should be milled true no matter what to ensure proper head gasket sealing. The crank needs to be straight and the journals free of damage. Again, any engine with less than 200k miles should have a good crank.
Most of the other parts (that could be worn out) you will probably replace anyway for a serious rebuild. All bearings, seals, pistons, rings, oil/water pumps, hoses, belts, should be replaced. New ARP head and rod bolts are cheap and good insurance. The cam would be sent out for a regrind. Rockers should be replaced. Valves can be reused if they're in good shape. Valve springs can be reused if they are in good shape but you should consider getting springs from an A18 (Prelude) head since they are stiffer. You could also do a big valve conversion but that would require major custom work and you would obviously need new valves.
The best course of action would be to go find a lower mileage wrecked car at a junkyard and pull the entire engine and trans. Disassemble everything and have the major components checked at a reputable machine shop and then go from there. Even if you end up with some bad parts it's not that big a deal since Accords are plentiful and cheap at junk yards.
Once you have a block, head, and crank you can start on any machine work and begin ordering parts. You haven't mentioned whether you will be doing any of the work yourself or what kind of budget you have. If you are having a shop do most of the work be prepared to spend some serious cash, maybe a few thousand. Engine work is not cheap if you want it done right. If you can at least do the assembly that will help quite a bit.
I wrote a huge thread about my rebuild over on Prelude Power. The first post has a list of most of the parts I used and machine work done along with the sources and prices.
http://www.preludepower.com/forums/s...ighlight=a20a1
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Originally Posted by hanginbyaccord
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