Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. I understand: These products are manufactured and sold for installation on vehicles to be used solely for competition purposes. We recommend verifying with your local state emissions department prior to purchasing any products that may alter your vehicles emissions. have a variety of additional smog regulations depending on the state and county. Law enforcement may cite you for the use of an illegal aftermarket part and seize your title and license plate.Īdditional States: Different states throughout the U.S. Installation of parts which are not CARB approved on a pollution-controlled vehicle in the State of California may result in the Department of Motor Vehicles (DMV) revoking the vehicle registration and certificate of ownership (title), refusing the transfer of registration, and/or the vehicle failing smog inspection. It looks like the GM replacment wires are nowhere near as good as the factory origianals.WARNING: It is illegal to install any aftermarket part that alters or modifies the original design or performance of the motor vehicle pollution control system unless the part is exempted or has an Executive Order issued by the California Air Resources Board (also commonly referred to as the "EO" number). The original wires are Packard and measure 324-370 ohms. The new wire is an AC Delco that measured 730 ohms. I purchased a replacement wire from GM for $18.00. I think I will buy the MSD wires.Īlso, when I was removing wires a few weeks ago to check my plugs, I ripped one. I sent an email to Summit telling them I want to send them back. Once I find out a company does not have email, I will no longer do business with them. I like to use email so I have proof of anything they tell me. I wanted to complain to them but all they have is a phone number. Well, they lied! The Crane Fire Wires measure anywhere from 550 - 850 ohms! Not only are they a lot higher than they claim, but they are all over the place. They were only $40 from Summit and Crane claims they are 25 ohms per foot. I just recieved a set of Crane Fire Wires. I'll write some more, but I'm tired of playing with spark plug wires. Magnecor KV85 Competiton 2.5mm - 2053 ohms Moroso Blue Maz Spiral Core 8mm - 661 ohms Mallory Pro Sidewinder 8mm Silicone Suppression Wire - 313 ohms Jacobs Electronics Energ圜ore 8.5mm - 178.3 oms Granatelli 8mm Steel Solid Core Cable - 0.1 ohmsĪccel 8.8 300+ Ferro-Spiral Race Wire - 166.1 ohms I tested next to a radio but did not pick up any static from any of these wires. Remember, they were all 12.5 inches long. All wires were tested at least 3 times to be sure I have accurate numbers here. I cannot find anything to disproove this, so for now this theory will stay in this write-up. My guess is that a stronger spark (not hotter) allows for a faster combustion. After swapping out my wires, I noticed a HP gain and smoother acceleration. There are many people who disbelieve that aftermarket spark plug wires will gain you anything. Aftermarket wires supress this interference while claiming to supply lower ohm resistance than stock. OEM plugs were created with a significant amount of ohm resistance to supress RFI interference. The average car transfers 30,000 volts through the spark plug wire, so every little resistance counts. So why do people upgrade their wires? The theory goes that because race wires have less ohm resistance, they will reduce the amount of electricity lost in the process of being transferred through the wire. I've got ahold of 8 aftermarket wires, all 12.5 inches long (LS1 plugs are smaller). Please give me props for doing this.Īfter reading 100 threads about spark plug wires and who has the best one, I've decided to do my own test on aftermarket wires. It took some time to get ahold of all these wires.
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