It depends on how long it was run with the gas in it. About the best option is to get the fuel lines repaired, drop the spider in, hook it all up and do a couple oil changes with cheap oil and filter to get all the gas and loose crud out. Start the engine for a minute or two. Drop the oil and filter. Hook a mechanical oil pressure gauge on it. Add new oil and filter and see what you have for pressure. Then do a dry and wet compression test and see what the rings are like. If you have good oil pressure the bearings "should" be okay the gas will not eat them or anything, the danger is that the very thin oil let the crank hit them and that all the loose crud in the system scrubbed them down. No real way to tell without pulling the pan and looking to be sure.
If you are lucky you end up with good pressures and a very clean engine.
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Tuesday, January 24th, 2017 AT 4:44 AM