Do they work? I think so…, April 5, 2010

By 

D. Cunningham “IT Ninja” (Tulsa, OK USA) – See all my reviews

  

Sooo I’ll admit that I was very skeptical of these wires from the very get go. They come highly recommended from several of the car forums that I read and are a well known brand in aftermarket performance products category. MSD has been around for a long time it’s not a fly by night operation here. The plugs were here in two days and were cheaper than the local automotive franchise stores. Did I mention that they are red? Bright red? Didn’t initially do it for me but once they are in the engine I do have to admit that the look great – but lets be honest – you didn’t justify the expensive wires just because they are “pretty.”

I drive a Chevy Avalanche with the V8 5.3L power plant. My truck just hit 90k miles and I wanted to preempt my 100k mile maintenance by getting an early start on some of the things that have never been changed on this vehicle. I have been running stock spark plugs and wires for 90k miles with no real feel/mileage drop (that I knew of) from the…

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Wire sets works great, January 9, 2008

By 

Mark Sanchez (Phoenix, AZ USA) – See all my reviews

  

I replaced both my plugs and wires at the same time, so I’m not sure where to attribute the results of using these wires. After my tune up, my engine runs much smoother and things I hadn’t even noticed before like slight engine vibration, and things I did notice like pinging at idle and high loads are gone. There is less engine whine through the stereo, and the insulation is definitely thicker and the boots feel durable and pop tightly into position. These fit perfectly on my 5.3 engine in my ’02 GMC Sierra. Amazon had the best price with free shipping.

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Best investment ever for my truck!, December 24, 2011

Highly recommend these! Buying these on amazon was about the same cost as buying the cheapo ones at the local discount auto parts store. I replaced these along with all the spark plugs at the same time. Very easy to do if you do them one at a time. I changed them on my 2002 Chevy Avalanche because it seemed to be idling rough and it didn’t have the response I wanted. Also, I was getting some electrical interference, like whining noises coming from the radio. I read online that sometimes it is from back plug wires in which the sheathing has worn thin. Sure enough, when I replaced them I noticed an immediate improvement in performance and gas mileage.

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