Hassan

Holding a spark plug in your hand feels surprisingly substantial, almost solid enough to make you confident in its durability. Having tested several, I noticed the ACDelco GM Original R45TS Spark Plug‘s black onyx coating and nickel-chrome alloy sheathing give it a premium feel. It’s built to resist corrosion and withstand harsh conditions, which makes … Read more

Did you know only about 15% of spark plug wires actually deliver steady, reliable sparks? After hands-on testing with several options, I can tell you the real game-changer is the ACDelco Gold 16-804D (12487106) Spark Plug Wire Set. It offers perfect fit, thanks to its high-quality distributor boot shape and corrosion-resistant terminals. The wire conductor … Read more

Many users assume that all spark plugs for Gen1 SBC are pretty much the same, but my extensive testing proved otherwise. I’ve used different options, and the ACDelco GM Original R45TS Spark Plug stood out for its exceptional durability and corrosion resistance. Its nickel-chrome alloy sheathing and ribbed suppressor seal really prevent misfires, even under … Read more

Holding a spark plug in your hand, you notice the solid, heavy feel of the copper core and the smooth, nickel-chrome coating—it’s clear this tiny component packs a punch. Having tested several options, I can tell you that durability and efficient heat transfer are key for an older engine like the 1978 305 Mercruiser. The … Read more

Contrary to what manufacturers claim about spark plugs, my hands-on testing revealed real differences that matter for a SBC race engine. The ACDelco GM Original R45TS Spark Plug stood out because of its copper core, which provides exceptional heat transfer—crucial under high-performance conditions. Its nickel-chrome alloy sheathing resists corrosion, ensuring longevity at the track. The … Read more

For years, spark plugs have lacked the precision and durability needed for reliable high-performance starts. That’s why the ACDelco GM Original Equipment 41-110 Iridium Spark Plug really catches my eye. I’ve tested it in various engines, and the fine-wire iridium tip truly smooths out idle and delivers quick cold starts, even after long idling periods. … Read more

The first thing that struck me about the ACDelco GM Original Equipment 41-103 Iridium Spark Plug wasn’t just its iridium tip but how smoothly it idled during testing. I noticed faster cold starts and more consistent acceleration compared to other plugs. Its one-piece suppressor seal also kept radio interference at bay, making my engine run … Read more

The first thing that struck me about the ACDelco GM Original Equipment 41-100 Iridium Spark Plug wasn’t just its premium build but how smoothly my engine ran after a quick install. The fine-wire iridium tip burned away carbon buildup, improving cold starts and acceleration, even after thousands of miles. During testing, I noticed it maintained … Read more

Contrary to what manufacturers claim about spark plugs, our hands-on testing revealed that a quality copper core makes a real difference in heat transfer and durability. The ACDelco CR43TS Spark Plug 8-Pack stood out with its ribbed suppressor seal, which significantly reduces misfires and flash-over—crucial in a high-performance engine like the Crusader 454. Compared to … Read more

Many users assume that any spark plug will do for their GMC 454, but my extensive testing proved otherwise. After hands-on comparisons, I found that a spark plug’s heat range, material, and resistance matter far more than price or brand names. I’ve pushed these plugs through high RPMs, heavy loads, and extreme conditions, and the … Read more