Mike Attew wrote:Also my set of plug checkers that I bought late 70's have come in useful again, they are the ones you connect to the top of the plug and the lead goes on top, they then flash when the plug fires.
Yes, they're a handy thing, especially if you work on you own and it's not always easy to get a plug into a location where you can both crank the engine over and see the plug. It's worth keeping an eye on Aldi - that's where mine came from.