[dschrier]

What spark plug gap do you guys use. I know haynes and all the spark plug manufactorers use .44 but in the manual for my car it says to use .39-.43 Which should I use or is it not a big enough difference to notice?

 

[RiceBox]

Go with what the manual says. It was made by Nissan but the Haynes Manual was not.

 

[dschrier]

Is setting it at say 0.39 opposed to 0.43 going to have much of a difference on the plug? Well I guess it is only 0.04 of a difference which is not much....

 

[RiceBox]

Chances are, that your feeler gauges are not even that accurate.