What is the smallest size spark plug?
While 5/8″ (16mm) and 13/16″ are the two most common plug hex sizes, plugs can have a hex as small as 8mm or larger than 1″. If you’re a tuner or engine builder in search of the perfect spark plug for your current project, pay special attention to the hex size required.
What are the 3 types of spark plug?
Spark plug types
- Copper spark plugs. Copper spark plugs have a copper core and use a nickel alloy on the working end of the electrode–the part that generates a spark. …
- Platinum spark plugs. …
- Iridium spark plugs. …
- Pulstar spark plugs. …
- Reducing emissions with every spark plug.
How can you tell if a spark plug is bad?
What symptoms may indicate my vehicle’s spark plugs need replacing?
- Rattling, pinging or “knock”-like noises. When spark plugs begin to misfire, you may notice unusual noises from the force of the pistons and combustion not working properly. …
- Hard vehicle start. …
- Reduced performance. …
- Poor fuel economy.
What size wrench do I need for a spark plug?
Most spark plugs require a 5/8″ (16mm) size spark plug socket. This refers to the size of the flats on the spark plug that are in contact with the socket. This spark plug requires the 5/8″ spark plug socket, which will probably fit a 3/8 ratchet extension.
Which is better iridium or platinum spark plug?
Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.
How tight should spark plugs be?
Installing Spark Plugs – Lawn & Garden Equipment
Tighten the spark plug finger-tight until the gasket reaches the cylinder head, then tighten about ½ – ⅔ turn more with a spark plug wrench. (Taper seat: About 1/16 turn more.)
Are all spark plug same size?
Most people use 3/8 for servicing spark plugs, so most spark plug sockets are 3/8 drive. There are 1/2 drive spark plug sockets, but it is unlikely that is an issue. I have never heard of a 3/8 size spark plug. Most spark plugs require a 5/8″ (16mm) size spark plug socket.
What is the spark plug gap for a Mini Cooper?
Plug Type: 12 ZR-6-SP2; Gap .