A great idea!  Fit this between your spark plug and H/T lead to see if things are sparking as they should be from your distributor/leads. Price is for one -...

Brand new high quality Inductive Ignition Timing Light with Xenon Bulb. Suitable for negative or positive earth vehicles with distributor ignition system. It has a check light to warn against...

This auction is for one professional timing light. Suitable for all classic cars that require the ignition timing to be set by a strobe lamp - Full advance control, accurate...