and BTW, always use the positive stop method to first find TRUE TDC. The old self powered orange Xenon light my dad gave me over 40 years ago seems to be pretty consistent so far.nce I run MSD unit (concealed under dash) I use a non dial back light, since the digitals won't work on MSD, and a timing tape to plot curve. The best I have is comparing 2 lights, after a wary informational static timing check when possible, since worn components can allow several degrees change when running. Setting ignition timing of aftermarket CDIgnition on dirt bike that required repositioning the magneto rotor and running key-less.Īs far as accuracy, it's always a nagging worry. Testing for spark in intermittent electronic ignition module failure situations. Testing coil wires, dist cap and rotor in No spark at plug situations. Vacuum advance canister installed where a pressure retard canister was called for ( Turbocharged Corvair).Īdjusting a few centrifugal advance curves. Pooched vac advance canisters ( with mityVac pump). (Dwell meter would have pointed this out too,) Spark scatter due to badly worn distributor shaft with points ignition. Follow the tips for using and caring for a timing light to ensure its proper function and longevity.I apologize for bump the old topic, but I have some interesting observations that I would like to share, maybe this will help someone in the future because once I was on the lookout for useful advice.Here are some Engine issues that my timing light told me about.Look for features like an advance dial, xenon strobe light, detachable leads, and RPM detection for added convenience.When choosing a timing light, consider factors such as compatibility, accuracy, ease of use, and durability.A timing light is an essential tool for maintaining and troubleshooting a car's engine.Battery replacement: If the timing light is battery-powered, make sure to replace the batteries as needed to maintain its operation.Cleaning: Regularly clean the timing light to remove dirt and debris that may affect its performance.Storage: Store the timing light in a dry, clean place to prevent damage.The flashing light will show the timing marks, allowing you to adjust the timing if needed. Check the timing: Aim the timing light at the timing marks and start the engine.Connect the timing light: Connect the timing light to the battery and spark plug wire of the number one cylinder.Find the timing marks: Locate the timing marks on the crankshaft pulley or flywheel and the timing scale on the engine.RPM detection: Some timing lights have a built-in RPM sensor to measure engine speed while checking the timing.Detachable leads: Look for a timing light with detachable leads for easy storage and transport.Xenon strobe light: Xenon light provides a brighter and more consistent flash, making it easier to see the timing marks. ![]() Advance dial: Some timing lights have an advance dial that allows you to adjust the timing advance without moving the distributor.Durability: Consider the build quality and durability of the timing light for long-term use.Ease of use: Choose a timing light that is user-friendly and easy to operate.Accuracy: Look for a timing light that provides precise timing measurements.Type of ignition system: Make sure the timing light is compatible with your car's ignition system (e.g.It helps prevent engine damage and ensures optimal performance.įactors to consider when choosing a timing light:.A timing light is essential for maintaining and troubleshooting a car's engine.It helps make sure the spark plugs fire at the right time, which is important for the engine to run smoothly. ![]() A timing light is a tool used to check and adjust the ignition timing of a car's engine. ![]() However, some users have reported issues with long-term durability, so it’s important to consider this before making a purchase decision. It offers accurate timing readings and durable construction. The OTC 3365 Professional Advance Timing Light is a reliable tool for mechanics and car enthusiasts.
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