Okay. There are several things that can cause an engine to lose compression. Broken piston rings, a hole in a piston, bad headgasket, timing wrong, bad valves...etc.. these are all major internal issues with the engine except for the timing. However, most of these will cause a LOW compression issue, not a 0 compression issue. When there is a complete loss of compression, unfortunately there will need to be an engine swap. The reason that you would be better to have your engine totally replaced is because after labor and parts it will be much more economical to just buy a whole new engine. Possible causes of an absolutely no compression situation would be: excessive carbon buildup causing the valves to stick, the valve seat has popped out, ring or cylinder wear or ring breakage, or the head gasket has blown. If it is to be found to be the gasket or just the rings go ahead and get them fixed but if it is anything more than that I would not even bother with the present engine. Any questions after this posting you can forward them to [email protected]
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