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What is the spark plug gap for a 57 Chevy 283 engine?

The spark plug gap for a 1957 Chevrolet 283 engine is .035 inches.

However, it's important to note:

* This is the *recommended* gap, but it's always best to check your owner's manual or consult a service manual for your specific engine. The gap can vary depending on the year, model, and specific engine configuration.

* Always use a spark plug gap gauge to ensure you're getting the correct gap. Using a gauge will give you a precise measurement, which is essential for optimal engine performance.

* Spark plug gaps can change over time due to wear and tear. You should check your spark plug gaps regularly, ideally every 12,000 miles or once a year.

By keeping your spark plugs gapped correctly, you can ensure:

* Optimal ignition and combustion

* Improved fuel economy

* Reduced emissions

* Smoother engine running

If you're not comfortable adjusting the spark plug gap yourself, it's always a good idea to take your car to a qualified mechanic.