Tech Help — engine maintenance
Built to Last: Protecting Your Optispark from Premature Failure
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Your LT1 or LT4’s Optispark distributor is built for longevity — but even the best parts can’t survive engine neglect. Learn why oil leaks, cooling system issues, and plug wire problems are often behind premature Optispark failures, and discover simple tips that can help your new distributor last 100K miles or more.