To avoid arc-over, do not route wires of consecutively firing cylinders next to each other. Route the plug wires exactly as they were originally. Wipe off the spark plug insulator and distributor cap towers before installing new wires.It can take a few hours for an engine to cool. Underhood environment can be very warm – only remove the spark plugs wires when the engine is cool to the touch. Make sure your car's engine is cold before you start.Make sure the terminals are sealed properly and then firmly force any air out of boots and nipples. Good spark plug terminals are made with a snap ring that give a metallic “click” or “snap” when they are properly set into place. This protects them from the heat of the manifolds and reduces capacitive voltage loss between the conductor and metal surfaces. Route the new spark plug wires away from the exhaust manifolds or other metal objects. It’s best to hold spark plug wires in position by using insulated metal, or better yet plastic or fiber brackets to avoid this. Spacing spark plug wires too close or parallel to each other can also result in crossfiring due to the inductive field which builds up in one wire as the current flows in the other. When routing spark plug wires to cylinders it’s important to do so in sequence of the firing order to avoid crossfiring. When correctly aligned, the wire will go on easily and you will hear a “click.” Test by pulling back tightly if the wire comes off easily, it is improperly installed. The end should snap on firmly with the boot over the spark plug insulator. When installing the spark plug end of the wire, push the wire on the spark plug while holding the end of the boot.Roll the edge of the boot gently to let out excess air otherwise the boot may not seat properly, causing the wire to dislodge from the cap.
#How to install spark plug wire boots install#
To install a new wire, push the new spark plug wire boot on one end to the module, and then push the next end onto the spark plug.Improper installation of these wires can result in poor combustion or misfiring of the cylinder, which will cause drivability issues and potentially severe damage to the engine. What is even more imperative than matching cable length is that you do not mix up the order of the spark plug wires. Do not match for identical length as this varies with different wire manufacturers. Match the longest wire in the new set with the longest wire on the vehicle, then match the next longest, and so forth.I will post pics next set for "Proper installation" of snug wrap. Pink plug wire boots for everyone.YAAAY! The next headers I buy will be getting wraped, just like the last set, and the set before that, NONE of which cracked. Just 'cause you drive it all the time on "the street" does NOT mean that it is a "Street car".
#How to install spark plug wire boots pro#
If you can manage torque specs to build something worthy of headers then the wrap companies figure that "snug" in there directions should keep people from cracking headers, just like with MOST parts failures it is improper installation! I have respect for your knowledge squirrel but you do not have a "Street car" (truck) you have a pro street. When you spend $8k on a big block to go faster it seems silly not to spend $100 on wrap for better scavenging. to me a "street car" means that if it doesn't get you more safety or more MPG's then you don't run it! PRO STREET which is what us whipper snappers call "street cars" that run big blocks and headers, are all about how much can you get away with on the street. You can purchase any Hooker header with our Metallic Ceramic Thermal Barrier Coating by adding a -1 to the end of the part number.Ĭlick to expand.And the Big Block and headers WERE NOT for performance? I am confused. Holding exhaust temperatures inside the header increases the exhaust gas velocity producing more horsepower. It also reduces underhood temperatures and has a polished high luster finish. It is corrosion and heat resistant up to 1600☏. If under hood temperatures are an issue, we recommend using Hooker’s Metallic Ceramic Thermal Barrier Coating. This causes the exhaust temperature to be raised to a level that fatigues the header material causing cracks and can also cause rusting and pitting due to the moisture retained.If you choose to use an exhaust wrap, the warranty will be void. We never recommend exhaust wraps because it insulates the exhaust too much and retains moisture. QUESTION Should I use exhaust wrap on my Hooker Headers?ĪNSWER If your vehicle is being run on the street or for extended periods of time, you should never wrap headers.
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