Spark plugs

[2021Expy]

So doing some work on the Expy. Not putting plugs in until I get it tuned. Are you all running the NGK Iridiums and if so which ones? Much appreciated for the input and happy Friday.

 

[ccssid]

More Information for NGK 94374

 

[2021Expy]

They are an upgrade to oem Iridium plugs for like modified engines and such. Just was wondering what people were using here.

 

[Alwaysthinkin]

So doing some work on the Expy. Not putting plugs in until I get it tuned. Are you all running the NGK Iridiums and if so which ones? Much appreciated for the input and happy Friday.

Check out this post (it covers some other stuff but skim through until you hit @LokiWolf posts and then start looking for spark plug talk).

2018 Max Platinum - Misfire/Plugs/Coils/VCT/Engine Rumble/Customer Assurance/PCM Info

Hey everyone, I spent a lot of time scouring the forums during my Misfire/VCT/PCM saga and I wanted to share my experience to help others who may go down this same path. History - I bought my 2018 Expedition Max Platinum, used on 2/10/21 with approximately 47,000 miles. This vehicle was Ford...

www.expeditionforum.com

 

[LokiWolf]

What @Alwaysthinkin said...

These are the plugs I recommend. Stock, do 0.031, tuned or always run 93 and hard, do 0.028.

Set of 6 NGK LTR7BHX (95605) Spark Plug | ZFG RACING LLC

NGK Ruthenium HX is designed for newer engines which demand high ignitability. Projected Square Platinum Electrode (PSPE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions. 0.4mm Ruthenium...

www.tunedbyzfgracing.com

 

[2021Expy]

Much appreciated guys. Truck just hit 65k so I figured might as well get tuned and such.

 

[5280tunage]

What @Alwaysthinkin said...

These are the plugs I recommend. Stock, do 0.031, tuned or always run 93 and hard, do 0.028.

Set of 6 NGK LTR7BHX (95605) Spark Plug | ZFG RACING LLC

NGK Ruthenium HX is designed for newer engines which demand high ignitability. Projected Square Platinum Electrode (PSPE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions. 0.4mm Ruthenium...

www.tunedbyzfgracing.com

I can concur with Loki, these are the plugs I've used and I actually just ordered another set, just about time to replace them again.

 

[ROBERT BONNER]

What @Alwaysthinkin said...

These are the plugs I recommend. Stock, do 0.031, tuned or always run 93 and hard, do 0.028.

Set of 6 NGK LTR7BHX (95605) Spark Plug | ZFG RACING LLC

NGK Ruthenium HX is designed for newer engines which demand high ignitability. Projected Square Platinum Electrode (PSPE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions. 0.4mm Ruthenium...

www.tunedbyzfgracing.com

I replaced my OEM with the Ruthenium's as LokiWolf stated. My '20 did some "trailer hitching" a couple of times at 45K, that's when I changed them. It has run great ever since.