Take your timing light and aim it at the timing marks, pressing the button on the light. Because you have the light hooked up to your spark plug means that it has current passing through it every time your spark plug fires, making the light go off and on, creating the strobe effect.

How do you adjust ignition timing?

5:057:03How To Set Timing Ignition Timing With A Distributor - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe first need to loosen the distributor hold down clamp with a wrench. You want to loosen it justMoreWe first need to loosen the distributor hold down clamp with a wrench. You want to loosen it just enough so that you can turn it by hand you dont want it so loose that it moves on its own rotating.

How do you test timing without a timing light?

to set your base timing without a light, you just turn the motor over in its normal direction of rotation until the mark lines up with where you want it.. loosen up the distributor and hook up a spare spark plug to the #1 plug wire.. turn the distributor until it sparks.. tighten down the distributor..

Should I advance my cam timing?

Not to be confused with ignition timing advance, advancing a camshaft will change the timing of the valve events in relation to where the crankshaft is positioned. Changing either affects engine performance, but a camshaft that is properly installed in an advanced position can noticeably improve performance.

Where are the timing marks?

A timing mark is an indicator used for setting the timing of the ignition system of an engine, typically found on the crankshaft pulley (as pictured) or the flywheel, being the largest radius rotating at crankshaft speed and therefore the place where marks at one degree intervals will be farthest apart.