The Street Fire plug wires have a reduced resistance and feature a tough, silicone sleeve that makes it suitable for street cars and cruisers. 7mm Cloth Covered Sprio-Pro Wires; ThunderVolt 8.2mm Extreme Service Ceramic Boot Wires* ThunderVolt 8.2mm UNIVERSAL/RACE-FIT Wire Sets* ThunderVolt 8.2mm Sleeved Race-Fit Wires* ThunderVolt 50 UNIVERSAL/RACE-FIT Wire Sets* ThunderVolt 50 CUSTOM Wire Sets; 9mm FirePower Wire Sets* Although the wires are only about $4.00 each, I was a little afraid of the power loss that would result from the smaller wire. Important, yet un-sexy. I run stock, if that matters. Only 11 left in stock - order soon. I was hoping someone might be able to enlighten me on spark plug wire colors and dates/years used. Started by B54SPEED . My QV had 0 ohm extenders and that is what I replace them with. I am wondering if the reproduced versions are adequate or if an larger 9mm … Thanks! 8mm spark plug wires are a heavier gage wire than the 7mm type. The only ones I can find are 8mm and contain silicone. Spark plug wires - 8mm or 9mm? These sets of 8mm 100 percent pure silicone insulation (designed to withstand over 600 degrees F) with a fiberglass-reinforced jacket and double spring locking spark plug terminals provide a firm grip on plugs. Re: Spark plug wires- 8mm & 8.5mm any real advantages for a street car Thanks Bill- That's exactly what i was looking for. Spark plug wires are commonly direct-fit to work on a specific application. Wire Diameter: 7mm Wire Type: Solid Core (Non-EMI Suppression) Not for use with multi-spark ignition boxes, such as MSD 6A or 6AL. However, I'm unsure of which spark plug leads I put on? Pro 8mm Custom Fit Spark Plug Wire Sets for Harley Davidson® $ 29.95 – $ 59.95 CLASSIC THUNDER INDIAN CUSTOM PRO 7MM SPARK PLUG WIRE (KIT) 2014 & NEWER TS111 The distributor's instructions don't mention it. Find Taylor 8mm Pro Wire Universal Spark Plug Wire Sets and get Free Shipping on Orders Over $99 at Summit Racing! Started by Gary AAR . The GM HEI distributors, which mostly showed up starting in 1975, use a male terminal, size and shape like the terminal on a spark plug. I was just curious because I have read on here that everyone uses 8mm, so I went to several stores around here to get the 8mm ones and no body carries them, they have to order them in. the wire size has to do with resistance, sometimes, with a decent ignition system, or sstock just gone over, plugs gapped out a little farther, and hotter coil, bigger wires may net you a little more economy from more complete ignition, put accel 8mm on my fifth stock when i did plugs, felt different, but nothing concrete, since the plugs were really bad. The thicker wire has a thicker core. Hi performance, Hi temp universal silicone jacketed 7mm wire sets. I just replaced much of the maintenance items in my 308 QV s ignition system (distributor caps, rotors, ignition wires and spark plugs… Yellow with Black & Red tracer solid core? All colors—blue, red, green, yellow, orange, including neon tones—are available in most diameters, including 7mm, 8mm, 10mm, and more. I like the idea of using "concours correct" spark plug wires, such as those offered by NPD. The core is the part of the wire that brings power to the spark plugs. Direct replacement for 7mm original equipment carbon conductor wires. Heavy duty oxide 90° spark plug boots with crimp on copper connectors and black coil boots. Most of my cars are 1930 era, my question is what color wires used, year wise approximately? Thanks in advance for your thoughts and information. However, it appears they are only 7 or 8mm and I cannot tell if they use a steel core. FREE Shipping on orders over $25 shipped by Amazon. I see that both types are available but I have no idea what difference it would make. 7MM "Stock Look" Spark Plug Wires. GSKMOTOR Black 7mm 8mm Engine Spark Plug Wires Separator Divider Kit 6 PCS Fit CHEVY FORD & MOPAR. Get it as soon as Tue, Dec 29. NGK CR2 Racing Cable Spark Plug … 66sprint - this is actually for the 350. the current wires are the 7mm stranded cord...which I bought direct from Honda, but there is no telling how long it was on the shelf. I have a 56 Sedan Deville with a 365 engine. Whether you’re seeking replacement wires or aftermarket performance wires, we have everything you need. The vehicle in question has a 1981 Ford 302 V8 with a 2-bbl carburetor and has the Duraspark ignition. The older non-HEI distributor cap has female terminals. The BW Select's from Oreillys that he recommends are $30 for their 8mm ones vs $45-60 for all the stuff from Summit. 3.6 out of 5 stars 29. 69. 2mm of insulation. 10mm vs. 8mm plug wires i also want to change my plugs im thinking iridium or platinum i have newer plugs so idk what brand of plug would be best also 2000 Ford Ranger Sport 4.0 4x4 0 … There are also a variety of color options and plug boot configurations (straight, 45-degree, 90-degree, etc.) This makes installation very easy; however, you can also find universal spark plug wires that can be cut to fit. What is the difference between 7mm spark plug wires and 8mm? 7mm or 8mm? 。Heavy duty durable heat-resistant resin 。Racing inspired design 。Description: 。Our Wire Separators are designed to keep ignition wires organized and away from each other preventing possible cross firing and will not work loose from vibration. The stock wire uses a spirally wound fine wire construction (I'd stay with that type of construction vs a carbon impregnated core or … There’s not many technical articles about spark plug wires, and for years we’ve been relegated to finding whatever information that was out there in the form of advertisements from manufacturers or on the back of the spark plug wire box. wires have about 1,000 - 1,500 miles of use. About to tackle the replacement of my spark plugs and wires. 2 … Fits 7mm and 8mm spark plug wires; come with allen arench; keep the wires from heat. We've designed our 7MM wires with the same core we use on our 8MM wire. Source(s): spark plug wires 8mm 9mm: https://shortly.im/agsm5. Do larger wires provide "more" spark? What is the difference between 8mm and 9mm spark plug wires? Spark plug wires eventually require replacement, and you don't necessarily need to go OEM. 7mm is the factory size, and Ive read on here recently that 8.5 is too big without an upgraded ignition system. Hi, I've got a 351c in a 1970 Mustang and I've recently upgraded to a HEI distributor. The only cost-effective 8mm wires are from Accel, and Ford Racing has a set of 9mm wires for the same price. Spark Plug Wire Sets & Accessories. The difference is, the wires are 7mm, rather than the 8mm which came stock. Spark Plug Wires. SUPER FUNCTION -- 7mm spark plug separators is very simple easy way to clean up the engine bar and keep the wires from heat. 7mm/8mm Spark Plug Wire Separators Wire Holders Kit, Divider Looms Ignition Wire Separators Holders for Chevy Ford & Mopar(Silver). I am going w/ NGK TR5IX plugs, because I got a great deal on them but I've been doing alot of reading on old posts suggesting upgrading the stock 7mm wires. Just trim to length and crimp on terminals. Now you can get a "Stock Look" Spark Plug Wire, that performs. However, there is more to it than just the difference in the thickness. $5.69 $ 5. Years? So, there's a big difference, and the HEI does take special wires. Stock spark plug wires are 7mm but I want to add some color to the engine bay using colored spark plug wires. Magnecor 7mm Electrosports 70 Ignition Cables. Most people suggested either 8.5mm or … This article will help consumers make informed choices while dispelling some common misconceptions. KTBug - Kris - Nov 19, 2007 #2 28" long copper core or suppression core wire Cut the wire to the proper length. One thing to consider is that the hole in the stock distributor cap is designed for a 7mm diameter spark plug wire (not 8mm diameter). It currently has 8mm plug wires with Motorcraft Copper plugs. MSD mainly specializes in two kinds of spark plug wires: Street Fire and the 8.5 mm Super Conductor. Conductor provides exceptional RFI and EMI suppression to permanently eliminate the typical performance and fuel-wasting spark energy deterioration of OE and aftermarket carbon conductor wires. to fit your particular needs. MSD 31329 8.5mm Spark Plug Wires Set, Small Block Ford, HEI Cap $109.95 ACCEL 4056 Spark Plug Wire Set, 8mm, Super Stock, Ford 1983-1996 V8 We have a great online selection at the lowest prices with Fast & Free shipping on many items! Find the spark plug wires and sets you need for low resistance and minimum spark loss at Summit Racing. Get the best deals for 8mm universal spark plug wires at eBay.com. Can I With my 883, I really can't afford any loss of power. 7mm vs 8mm spark plug wires; Share Topic Similar Topics WHAT COLOR SPARK PLUG WIRES . This kit includes twenty feet of our 7mm red solid core plug wire, eight straight Rajah spark plug terminals and ten distributor/coil terminals with black boots. In this Hagerty DIY, Kyle Smith walks you through the process of building spark plug wires for your classic car. The purpose of resistance in the plug extenders is a bit mysterious to me. Example/case in point, near 18-1 compression, msd 7al3 and pro-power coil, is a 55,000 volt system. HARDWARE Black Set with Suppression Wire Core By: HOLLEY PERFORMANCE PRODUCTS,INC. What is the difference between 9mm and 8mm plug wires? Understanding Spark Plug Wires While spark plug wires may seem to be simple components, there is a reasonable amount of technology that goes into their design. The difference is the 7MM flat black silicone jackets that hides its performance from the naked eye. Does anyone know if the 8mm wires will perform as well as the 7mm wires? 10 Replies 1004 Views September 14, 2018, 07:51:46 AM by anlauto : Ignition Coil & Spark Plug Wires. 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