Yorkie
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- Joined
- Jun 14, 2017
- Messages
- 212
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I recently picked up a non-running ‘71 Commando that had sat since 1988. It has 22K miles on it and has not been horribly abused but it has really low compression. I can turn the motor over by hand. The valves move and have correct clearances. The pistons are also moving. I was curious as to the groups thoughts as to why the compression would be so low - stuck rings?