Quote:
Originally Posted by ford38v8
It wob;t go bad in the original packaging, and in fact, it may be better than anything you can buy today, due to the EPA reducing the zinc content in motor oil, which is needed in high performance engines. The only flatheads that need zinc are from the early 50's which had no hardened valve seats, however, most all of those engines have been rebuilt (or should have been) with hard seats.
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I know what you are trying to say, but Lord I hope no oil is getting to the valves or you have bigger problems than zinc in your oil. LOL