Spark plug NGK or BERU

NGK Spark plug

Personally I gapped my NGK laser iridiums to .024 and I've had no issues what so over, I did however have issues with the OEM spark plugs when I pulled them out to which they were gapped at .054, which OEM spec is technically .034

Pros: no issues
Cons: issues with OEM plugs
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BERU Spark plug
Complete_Food
  • Acceleration:
Rating 4.0

use beru plugs rather than Bosch, a lot of Bosch plugs sold for this application has the wrong heat range which can cause misfires.

Pros: correct heat range
Cons: wrong heat range
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NGK Spark plug
wooki1
  • Acceleration:
Rating 5.0

I set the new ngk's i put in to 0.27 and I feel a difference already lot less hesitation off the bottom end felt like it would almost hiccup before gaining any power with the stock plugs. now i lay into it and it just goes fairly smoothly

Pros: less hesitation, smoother acceleration
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NGK Spark plug
freckled888
  • Acceleration:
Rating 5.0

Just installed NGK 92274 in a 2021 Mazda 3. They are 'Ruthenium' instead of iridium, seems to be their newest plug available. Just don't touch the gap, it was perfect at .044. Runs great.

Pros: runs great
Vehicle: Mazda 3
Part number: 92274
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NGK Spark plug
sweeptheleg_84
  • Starting:
  • Idle:
  • Acceleration:
Rating 3.0

Here’s a link that may be of help. Your plugs are quite fouled and even at end of life plugs should not look like that.

Cons: plugs quite fouled
Vehicle: Toyota
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NGK Spark plug

Don't think the platinums give much of a performance advantage and they foul faster if you've got any oil burning going on...

Cons: foul faster
Vehicle: BMW
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