If you drive a low-performance vehicle or have a classic car, you can probably get away with running copper-core spark plugs. These should also work well in small engines, like ones on lawnmowers ...

So, whether you’re looking for a spark plug for your daily driver or your high-performance vehicle, we’ve got you covered. Check out our list of the best spark plugs below. 1.

2 The best way to check resistance of carbon core or spiral-wrapped plug wires is with an ohm-meter. Typically, if you have more than 10,000 ohms of resistance for an individual plug wire, it ...

They may look like your average wires, but spark plug wires have a very important job to do. Their mission is to provide electricity from the car's 12 volt battery to the engine's spark plugs.

Performance plug wires must exhibit both low resistance to make sure the maximum spark power gets to the plugs. They should also have good insulation, in terms of limiting EMI (electro magnetic ...

Performance spark-plug wires will make an ignition system perform to its full potential. Installing a new set of spark plugs and plug wires will deliver a slight increase in horsepower and torque ...

The initial ignition wave leaves the spark zone at supersonic speed, and the lifted edge provides a chimney impact to allow the same procedure to occur more quickly in the next round. Therefore, the ...

Performance inductive and CD systems can handle larger plug gaps of up to 0.045 to 0.055 inch, but this demands excellent performance from the entire secondary side of the ignition system (coil ...

Of course, if you're replacing a bad wire, it may not matter, but if any one of the old wires is still good, it's best to keep it as a spare.Grasp the plug wire by the boot at the plug end.