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ACDelco 9066N Professional Spark Plug Review

2

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Poor

Revainrating 2 out of 5  
Rating 
2.0
🧯 Ignition Parts, 🛠️ Replacement Parts

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Description of ACDelco 9066N Professional Spark Plug

Wire conductor, wire length, and diameter help provide maximum spark delivery and protection. Spark plug distributor boot shape and materials provide proper fit, installation, and water-tight seal. Terminal design improves spark plug retention and assists installation with excellent corrosion resistance. Insulator employs high dielectric materials. Coil retainer prevents fretting and micro-arcing.

Reviews

Global ratings 2
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Type of review

Revainrating 2 out of 5

Spark Plug Disappointment

After I put it to the test, I could see that this spark plug did not live up to its claims of professional quality. While it comes at a reasonable price it failed to provide the necessary ignition power for my vehicle's engine..

Pros
  • Affordable
Cons
  • Poor ignition power.

Revainrating 2 out of 5

Low quality! - Spare parts

Just not the quality I expected from AC Delco. The metal terminals at the end of the connector were poorly constructed and inconsistent in shape. Some had a loose fit and others I couldn't wear. When I install the fork wires, I apply a light coat of dielectric grease to the wire from the trunk up a few inches. I then slide the boot up and then use my needle nose pliers to grab the metal clip and push down. All metal clips had a different shape. I found that I changed the shape of the clips to…

Pros
  • Handsfree
Cons
  • Very expensive