Best spark plugs to use

[BPrince82]

I have a 2019 mustang gt with the R2650 supercharger. Whats the best sparkplugs to use and what gap should I do?

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[BlkMach10510]

I have a 2019 mustang gt with the R2650 supercharger. Whats the best sparkplugs to use and what gap should I do?

Wouldn't the manual or build sheet for the S/C tell you?

 

[BPrince82]

Can't find the sheet nor manual. Thats why Im asking on here. Tried googling it and it just gives me recommendations for 5 different brands

 

[BlkMach10510]

Can't find the sheet nor manual. Thats why Im asking on here. Tried googling it and it just gives me recommendations for 5 different brands

Is it a Roush S/C?

 

[robvas]

NGK 6510 .032" gap

 

[robvas]

Can't find the sheet nor manual. Thats why Im asking on here. Tried googling it and it just gives me recommendations for 5 different brands

https://roush.my.salesforce.com/sfc...F/xcxdB__jB6fMrldrOsh0GJzvbiqz_S1P5PcIaYbNJMs


Roush manual recommended these, one heat range cooler than stock

https://performanceparts.ford.com/part/M-12405-M50A

 

[ZXMustang]

NGK 6510. .026 gap. Buy them direct from NGK, they are $8 a piece. And you wont get fakes ones like Amazon has. Or walk into an autoparts store and get them.

Also I'd replace them once a season. Just to keep them fresh since its an easy job and they are cheap.

 

[5doorsoffury]

ngk 6510 LTR7IX-11 1 step colder plug. walk the gap down until blowout isn't a thing. i think i got mine to .029 i probably dont need it that tight.

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