vs
Spark plug Autolite or BRISK
I've put about 100 miles on them and the car seems just as happy as ever. Went for a spirited drive today out in the hills and the car felt responsive and strong through the power range.
Pros: car felt responsive, strong power
Vehicle:
Subaru
Mileage: 160 km
I got mine from ECS: drop-in replacement and no issues even with my Burger unit on map 2.
Pros: drop-in replacement, no issues
I currently run the Brisk er12s and have been happy with them...I'm mpi running full e85 and the car responds well. It's also what my tuner recommended.
Pros: car responds well
Mileage: 5000 km
I got a set of APR coils and Brisk Silver Racing ER12s plugs for around 200
Vehicle:
Volkswagen
Part number: ER12S
Autolite a103 gapped to .055" will give you about a 5hp increase and last around 30,000 miles
Pros: 5hp increase, long lasting
Mileage: 30000 km
Part number: A103
Autolite 4162's, I changed them out every 1000 miles.
Cons: short lifespan
Vehicle:
Volkswagen
Mileage: 1000 km
Part number: 4162
Yesterday, I installed new spark plugs in my 2004 TJ. Going off [this thread](https://wranglertjforum.com/threads/what-are-the-best-spark-plugs-for-my-jeep-wrangler-tj-4-0.4196/) I purchased the Autolite XP985. Originally, I gapped the plugs to .04 based on [this thread](https://wranglertjforum.com/threads/spark-plug-gap-for-4-0.17415/). The jeep ran terribly and actually threw a check engine light.
I went back today and changed all the gaps to .035 based on the note under the hood, but I still think the idle is a bit rougher then what it was before the change.
Cons: rough idle, check engine light
Vehicle:
Jeep
Part number: XP985
I’d never put autolites in a Jeep, send em back and get champions or NGK depending on year and model.
Vehicle:
Jeep Wrangler
I quit using autolite plugs somewhere between 1995 and 2000, got tired of all the comebacks.
Cons: tired of comebacks
I work on euro cars. If I'm diagnosing an issue that even has me think misfire and it has autolites, I'm done until they're in the trash can and OE is installed.
Cons: trash can
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