spark plug gap

[Wsvi]

I got NGK Ruthenium plugs for my car and the gap is .040 , but the car calls for .052 , so do i gap to the plug or the car

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[ice445]

You should gap to the car unless you're boosted.

 

[WildHorse]

I gap mine to .040"". But I'm tuned and I like
the fuel a bit on the rich side.

.052" if you're bone stock to fire off them lean mixtures.

 

[xcm77]

You should gap to the car unless you're boosted.

@Wsvi
PS: https://a.co/d/7Ow8Ezg

 

[K4fxd]

Leave it alone. .040 is perfect.

 

[dirtwarrior]

/\ + 10

 

[galaxy]

.040. Based on recommendations from some forum members I trust, I leave my NGK os is out of the box and car has never ran better. For retrospect, the 350 manual closed the gap from .052 to ~.040 in '19. I don't know of a reason that wouldn't be retroactive to all years.

 

[Wsvi]

then .040 it is , thanks guys

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