455 Expected Engine Life

[LarryW]

Interested in oil for our engines? FWIW, check this:

http://gmc.mybirdfeeder.net/GMCforum/index.php?t=msg&goto=355649&rid=19&srch=engine+oils

Lots of scientific/engineered data here.

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Larry
78 Royale w/500 Caddy
Menomonie, WI.