newzealandproud Posted October 28, 2010 Share Posted October 28, 2010 is it normal for an engine that has been sitting for a long time to have low compression ??? Link to comment Share on other sites More sharing options...
Scoobywagon Posted October 28, 2010 Share Posted October 28, 2010 It can be. I've seen some engines with relatively low compression bring those numbers up a bit after they've been cranked over a few times. Once the cylinder wall gets lubricated again, the oil helps seal the rings back up. On the other hand, it is just as likely that the low compression is the reason the engine got sat for a long time. Link to comment Share on other sites More sharing options...
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