Autolite or Brisk plugs with stock gap.
I have a 05 with Edelbrock SC, 11 pounds of boost, and E85.
Pros: stock gap
Vehicle:
Ford Mustang
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I use NGK on my supercharged Roush. The recommended for supercharged engines is 28 to 30k miles. The only thing that you need to research with the e85 tune is whether or not you need a hot plug or a cooler plug. Roush calls for a cooler plug
Pros: recommended for supercharged engines
Cons: research hot or cooler plug
Vehicle:
Ford Mustang
Mileage: 45000 km
Some weekend progress after work, got the plugs changed out and fresh air filters are in.
Pros: fresh air filters
Vehicle:
Audi RS5
Yes definitely get the original OEM Denso plugs and be really cautious of anything you purchase off Amazon a lot of them are counterfeits. You can either go direct to the Toyota dealer or you can go to your local parts store like Napa and just make sure you order the correct Denso Plug.
The plugs look really good pretty even color across all of them no major carbon buildup. Wear on the plug seems typical for 100,000 miles.
Pros: even color, no buildup
Cons: wear after 100k miles
Mileage: 160934 km
I actually had a generator that would take 4-6 pulls to start with the "Torch" brand sparkplug, but starts in 1-2 pulls with an NGK.
Pros: starts in 1-2 pulls
Cons: 4-6 pulls to start
BP7ES is what I have in my Wgen. Cranks 1st turn over everytime now since I switched and instead of rolling over 10-15 times with the crappy Torch plug now takes 1 second.
Pros: cranks 1st turn over
Cons: crappy Torch plug
Quicker starts is a result...I just followed the crowd on this one and from my days at NAPA, i was a NGK and Bosch spark plug fan back then.
Pros: quicker starts
Try changing out the rs7 plugs and go to NGK R7437-9 or 8. I’ve heard the RS7 plugs having issues in these cars.
Cons: RS7 plugs having issues
Vehicle:
Volkswagen Golf
My 2000 with California emissions (regular cat and then two pre-Cats at the exhaust headers) would only run properly with the oem spec NGKs. Threw Bosch in their once and it ran terribly.
Pros: ran properly with NGKs
Cons: ran terribly with Bosch
Iridium plugs suck on fords.
Cons: suck on fords
Vehicle:
Ford
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