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Old 01-05-2013, 12:38 PM
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1971BB427 1971BB427 is offline
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Every time you shut your engine off the springs sit at different tensions, so if your engine has enough idle time over the years it's going to have a lot of time with compressed valve springs. The big thing is to check every one, not just random springs. If they all check out, then years of sitting or running doesn't matter.
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