I have a new to me 2015 F Type R. I am having some mis fire at load codes from various cyclinders and I suspect that the plugs are the original plugs which makes them over 6 years old with 30K miles. Since I am not the original owner, I want to install new plugs so I know how old they are and I am looking for the best choices? I hear NGK 6510 is the best all around choice?

Recommendations from the group?

Tx

Mike

 

Plugs are a b!tch to replace on this car. Eliminate the possibility of other issues first. What codes are being thrown? 30k miles on these plugs are nothing. They should easily get to 60k without issue. It is more likely you have injector issues. The error codes will shed light on the source of the misfire. Start by throwing a bottle of BG 44K into the gas tank to see if the misfire diminishes.

 

I agree with Unhingd