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Russ/40 · 08-15-2011, 02:04 PM

The upper spring was a system used in the 60's, and maybe earlier, on flathead V8's as an oil seal when not replacing guides. They were used inside the main spring and cupped a seal against the bottom of the V8 guide. The actual seal material was a graphite like collar.

08-15-2011, 02:04 PM	#8
Russ/40 Senior Member Join Date: May 2010 Location: Santee, California Posts: 3,505	Re: Strange stuff inside engine?????? The upper spring was a system used in the 60's, and maybe earlier, on flathead V8's as an oil seal when not replacing guides. They were used inside the main spring and cupped a seal against the bottom of the V8 guide. The actual seal material was a graphite like collar.