What spark plug gap do I need?
The gap setting is different for each vehicle but most are somewhere between 0.028″ and . 060″. Consult the owner’s manual or Champion ® catalog to find the recommended setting for the vehicle you’re working on.
Does the gap matter on spark plugs?
The Spark-Plug Gap One of the key factors that makes a spark plug work well, or not, is the size of the gap between the electrodes. If the gap is too small, the spark will likely be too weak and cause the engine to run poorly or with poor efficiency.
What’s the best spark plug for a Subaru Legacy?
If your spark plugs get too hot, they could ignite the fuel before the spark fires, so it’s important to invest in the right type of plug for your make and model. Order your new Subaru Legacy spark plug set from AutoZone and enjoy home shipping.
What should spark plug gap be on Subaru Outback 07?
I have an 07 with a 2.5, I has new plugs in it but I found out the gap was checked before they were installed and I want to pull them out re gap and re install. Take the 2005 2.5RS. The manual calls for a 0.039″ to 0.043″ spark gap. The manual also specifies an NGK FR5AP-11. Now, there’s a problem with that.
Why are spark plugs called Laser plugs Subaru?
When I pulled the plugs today at the above mileage, the gap was off significantly due to the wear of the plugs and the electrode was pretty warn. The gap was much wider then spec. These plugs were engineered with very thin and pointed metal for the electrode, maybe thats is why they call them Laser.
How often should you change the spark plug gap?
The spark plug gap adjustment should not be changed more than 3 times and should not exceed .008″ in either direction. Excessive changing of the spark plug gap setting will result in weakening of the spark plug ground electrode and can lead to breakage. Also, the spark plug gap should never exceed .055″ unless pre-set by the manufacturer.