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Learning about the Value of a Tuned Ignition System

“Most often,” states Jamie Hanson, the other half of this two-brother team, “when a bike comes in spitting and coughing with an ignition problem, a coil might be shot, a plug fouled, or, and this happens a lot, the guy might have gotten a little... A handful of upgrade components together with a “dyno tune” within the ignition repays significantly, and the more modified the motor, say the guys at SPP, the more essential that ignition upgrade becomes. Maybe some hot new coils, definitely an adjustable control module, fine quality plug cables, and performance quality spark plugs to match, that makes up the parts list. Speed’s utilizes the plug-in Daytona Twin Tee modules on those motorcycles and with the Twin Tee program, adjusts the ignition exactly as it’ll be completed with a Power Commander, straight down to selecting the multi-spark settings and single-or... Along with tailor made calibration, enhancements to the coils, spark plugs, and plug wires make sense, too. When the pressure goes up the same is true for the the temperature, and since spark plugs must eliminate heat, a colder heat range spark plug might be needed. With a fuel-injected motorcycle that custom made ignition tweaks, adjusting the advance and timing can be achieved utilizing the same Power Commander that the fuel delivery. Matching these hi-po coils using the most reliable set of low-resistance cables you can buy is yet another excellent move. From a carburetor as well as a set of two injectors, a well calibrated fuel mixture won’t present the whole performance it’s capable of if it hasn’t been fired at right moment along with a strong ignition. That optimized fuel mixture demands an equally optimized ignition system and pro tuners definitely know this. Neglect the ignition, especially the advance curve, and you’ll be leaving a lot of the rewards from any performance pipes, pistons, cams, and heads that you may possibly currently have directly on the table. At Speed’s Performance Plus (SPP) an ignition upgrade is definitely part of the plan. But first come the basics, those common ignition problems that surface from time to time. Though one plug is firing the charge in the cylinder ready for it, the other one is sparking off within the cylinder that’s not ready for its power stroke. If any residual fuel charge is left in the cylinder, which is often the outcome, it’ll also be ignited. Hard copper-core wires, however, aren’t often best with those adjustable ignition units. Neglect the ignition step in a performance tune and you’re missing out on a lot. High-output coils, supplying up to 45,000 volts, will definitely alllow for a smoother-running, easier-starting motor. Iridium tipped plugs, such as the NGK Iridium IXs SPP utilizes, have been created specifically for the performance enthusiast. An excellent substitute, savvy and modern tuners have realized, is a spiral-core style spark plug cable, easily available. Modified engines, specifically when the pressure have been bumped up, will often require a differ from the stock spark plug specs.

Ignition coil resistance - Bookshelf


1664 pages

Automotive Technology, A Systems Approach

Creator: Jack Erjavec | Technology & Engineering - 2009-01-08

An ignition coil uses these principles and has two coils of wire wrapped around an iron core. ... When current flows through a conductor, it will immediately reach its maximum value as allowed by the resistance in the circuit.

Publisher: Cengage Learning

About this book
AUTOMOTIVE TECHNOLOGY: A SYSTEMS APPROACH, 5th Edition remains the leading authority on automotive theory, service and repair procedures. The new edition has been updated to include coverage of hybrid vehicles throughout the text, new content on electronic automatic transmissions, preventive maintenance, and many other topics that reflect the most recent changes in the industry. Chapters cover the theory, diagnosis and service of all system areas for automobiles and light trucks, and the content closely adheres to the 2008 NATEF Automobile Program Standards.



144 pages

Honda 250 & 360Cc Twins, 1974-1977, Service, Repair, Performance

Creator: Ed Scott, Eric Jorgensen | 1983-07-01

101 up to approximately 15000 volts in the secondary winding of the ignition coil. ... Resistance should be approximately 3-5 ohms. 2. Measure secondary coil resistance between either primary lead and the secondary lead of the suspected ...

Publisher: Clymer Pubns



675 pages

Computerized Engine Controls

Creator: Steve V. Hatch | Transportation - 2011-04-11

Ignition Coils The latest V6 engines use a direct ignition system with one coil and driver transistor per pair of cylinders (a ... Ignition coil resistances should be 0.70 to 1.10 Ohmmeter Figure 16–40 Ignition coil resistance check.

Publisher: Delmar Pub

About this book
Delivering solid coverage of both domestic and imports, COMPUTERIZED ENGINE CONTROLS, 9e equips readers with the foundational knowledge needed to successfully diagnose and repair vehicle electronic systems. Reflecting the latest technological advances from the field, the Ninth Edition offers updated and expanded coverage of the approach of diagnostics, air/fuel ratio sensors, OBD II, and much more. This text includes in-depth insight into such cutting-edge topics as hybrid and fuel cell vehicles, GM's 42-volt system, hexadecimal conversion, multiplexing, and logic gates. Key concepts are reinforced with ASE-style, end-of-chapter questions to familiarize readers with the types of questions they are likely to see in certification testing.


Ignition Directory

What If an Ignition Coil Has Low Secondary Resistance? | eHow
The ignition coil in an automotive engine is a transformer consisting of two coils, or windings, of insulated wire. Low-voltage current from the battery flows through ...

How to Check the Resistance of a Motorcycle Ignition Coil ...
How to Check the Resistance of a Motorcycle Ignition Coil. Motorcycle engines rely on three different ingredients to create combustion: air, fuel and spark.

Testing Your Ignition Coil - About.com Auto Repair
Your ignition coil can be the culprit in many automotive troubleshooting situations. You will need to test your coil to see if its bad. On-car testing can evaluate ...

Coil Resistance Test - About.com Auto Repair
The primary winding of your ignition coil is the first to receive voltage from the battery. Find the resistance specifications for your car's primary coil winding in ...

Honda GC190 Ignition Coil Primary & Secondary Resistance ...
Visit http://www.thesmallengineshop.net **Always follow the instructions in your repair manual when doing repair or maintenance work on Outdoor Power ...


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Ignition

Editor's picks

  • FORD 4.6L 5.4L V8 COMPLETE SET OF 8 IGNITION COILS DG508

    Automotive Parts and Accessories

    Rating (148 reviews):
    (4.5/5)

    Mercury coils

    0 5/5 Jerome B. Price - See all my reviews, December 9, 2010

    Awesome!

    0 5/5 Dustin - See all my reviews Amazon Verified Purchase(What's this?) This review is from: FORD 4.6L 5.4L V8 COMPLETE SET OF 8 IGNITION COILS DG508 Had sputtering on my 2002 supercrew 5.4 triton, after 2 hours of installation runs like a dream. Cant go wrong with 8 for this price especially with lifetime warranty. They may originate from china but who cares? Look at 0 Help other customers find the most helpful reviews  Was this review helpful to you? , April 30, 2013

    Outstanding

    0 5/5 Frank - See all my reviews Amazon Verified Purchase(What's this?) This review is from: FORD 4.6L 5.4L V8 COMPLETE SET OF 8 IGNITION COILS DG508 They fit and made my 2001 Mercury Gran Marqui run like new.Very easy to install, saved me hundreds.Frank 0 Help other customers find the most helpful reviews  Was this review helpful to you? , October 27, 2011
    List Price: $303.88
    Price: $100.00
    You Save: $49.01 (49%)
    DG-467 DG-473 DG-508 DG-491
    1L2U12029AA 1L2U12A366A
    COP9 FD503 F523 FD493 C566 5C1412 GN10164


  • Motorcraft

    Motorcraft DG508 Ignition Coil

    Automotive Parts and Accessories (Motorcraft)

    Rating (17 reviews):
    (4.6/5)
    Motorcraft

    (Not a) Knock-off

    0 5/5 fferd - See all my reviews Amazon Verified Purchase(What's this?) This review is from: Motorcraft DG508 Ignition Coil (Automotive) Purchased this thinking it was a genuine Ford part, but its a knock-off with no discernable markings. Still working as it should 2 1/2 months later so here's hoping it lasts.UPDATE: My mistake, this turns out to be a genuine Motorcraft part. This item, at least for me at the time, came in plain packaging and the coil pack itself did not have any brand labeling on it unlike the coil packs it was replacing so I made the assumption it was a knock-off. Changed rating to 5 stars and this coil pack is still running strong. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , April 13, 2012

    So far so good... But....

    0 3/5 TexasGunGuy88 - See all my reviews Amazon Verified Purchase(What's this?) This review is from: Motorcraft DG508 Ignition Coil (Automotive) So far so good, I gave it three stars because it didn't fill very well but eventually got it to work, it functions fine after 1000mi so far 0 Help other customers find the most helpful reviews  Was this review helpful to you? , October 28, 2012

    Perfect replacement for my OEM coils

    0 5/5 Zip "techno nerd" (NC USA) - See all my reviews Amazon Verified Purchase(What's this?) This review is from: Motorcraft DG508 Ignition Coil (Automotive) Installed just fine on my Ford F150 (1998) with the 5.4L.The installation is not so easy - 5 hours it took me...But the car is running correctly again.Got rid of the hesitation under light load. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , December 28, 2013
    List Price: $72.42
    Motorcraft partners with many suppliers to product their products so although in a Motorcraft box and made to Motorcrafts specifications, this product may have been produced by an approved Motorcraft supplier
    Durable and reliable under extreme conditions
    High electrical resistance
    Resists corrosion and abrasion
    Provide excellent starting connections
    Made of high quality


  • Pertronix

    PerTronix 40511 Flame-Thrower 40,000 Volt 3.0 ohm Coil

    Automotive Parts and Accessories (Pertronix)

    Rating (18 reviews):
    (4.0/5)
    Pertronix

    hot spark

    0 5/5 Rich - See all my reviews Amazon Verified Purchase(What's this?) This review is from: PerTronix 40511 Flame-Thrower 40,000 Volt 3.0 ohm Coil (Automotive) I did purchase the flame thrower dist and added this coil it is the correct mate to this dist if your going to do it make work the first time good luck 0 Help other customers find the most helpful reviews  Was this review helpful to you? , January 18, 2014

    guess it's ok

    0 3/5 don babcock - See all my reviews Amazon Verified Purchase(What's this?) This review is from: PerTronix 40511 Flame-Thrower 40,000 Volt 3.0 ohm Coil (Automotive) I am getting feed back some how to my electronic speedometer and tachometer, they are very erratic now. With the blue coil on the VW did not have. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , February 27, 2014

    Worked Great with a Flame Thrower Coil

    0 5/5 D. Works (Eastern NC) - See all my reviews, February 21, 2014
    List Price: $59.54
    Price: $32.75
    You Save: $26.79 (45%)
    15 or 30 Ohm primary resistance values available
    40,000 volts
    For use with inductive ignition systems
    Legal in all 50 states and Canada (CARB EO #D-57-21)


  • #IC23 02-07 Mazda Ignition Coil 6pcs Dg513 Uf406 Mpv Mazda 6 V6 3.0 02 03 04 05 06 07

    Automotive Parts and Accessories

    Rating (55 reviews):
    (4.5/5)

    Perfect match!

    0 5/5 Josh Cordero - See all my reviews Amazon Verified Purchase(What's this?) This review is from: #IC23 02-07 Mazda Ignition Coil 6pcs Dg513 Uf406 Mpv Mazda 6 V6 3.0 02 03 04 05 06 07 This is exactly what I needed for my 2004 Mazda 6 3.0 V6 engine; the coils are OEM. Beats what the dealer wanted for it! Easy to install yourself if you know what you're doing; requires an 8mm socket and a 10mm. Be sure to disconnect the battery first, and have at it. Ships from the Miami, FL area. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , August 25, 2010

    Everything I expected

    0 5/5 B. OBannon "Ob1n" (Nebraska) - See all my reviews, February 15, 2012

    Great value, item as listed and very fast shipping!

    0 4/5 Jesse Bradlee "Jesse" (Florida) - See all my reviews Amazon Verified Purchase(What's this?) This review is from: #IC23 02-07 Mazda Ignition Coil 6pcs Dg513 Uf406 Mpv Mazda 6 V6 3.0 02 03 04 05 06 07 My wife's 2005 Mazda MPV hit 100,000 miles recently, and as expected, the ignition coils have been failing one by one. The most recent was under the manifold and I decided if I was going to pull it, I'd just replace all six coils and spark plugs at once. I ordered these last Wednesday and they arrived Saturday, in time to install before the holiday.Manifold removal aside, installing these couldn't have been simpler and once everything was buttoned up, the van started right up, string and smooth. Four stars for value and service, with a pending star for build quality. I don't expect these to last 60,000 miles or anything but if any should keel over in less than a year I'll be a little grumpy.We love our van and thanks to your shop we're able to keep it healthy for far less than a dealer visit or per-coil purchasing! Thank you! 0 Help other customers find the most helpful reviews  Was this review helpful to you? , July 3, 2012
    Made of high quality
    Durable and reliable under extreme conditions
    Resists corrosion and abrasion
    High electrical resistance
    Provide excellent starting connections


  • ADP

    99 00 01 02 03 FORD Ignition Coil DG508 DG457 DG472 DG491 8PCS F150 F250 F350 MUSTANG E150 E250 E350 EXCURSION EXPEDITION F450 F550 CROWN VICTORIA NEW

    Automotive Parts and Accessories (ADP)

    Rating (38 reviews):
    (4.6/5)
    ADP

    Problem solved

    0 5/5 Robert A. Taylor - See all my reviews, April 6, 2012

    great product

    0 4/5 brandy bailey - See all my reviews Amazon Verified Purchase(What's this?) This review is from: 99 00 01 02 03 FORD Ignition Coil DG508 DG457 DG472 DG491 8PCS F150 F250 F350 MUSTANG E150 E250 E350 EXCURSION EXPEDITION F450 F550 CROWN VICTORIA NEW NAPA Autozone Advance had their coil 8 packs way higher priced and this worked as good as theirs. Truck ran so smooth after these were replaced I can hardly tell its actually running. Thank you 0 Help other customers find the most helpful reviews  Was this review helpful to you? , March 31, 2012

    Perfect match!!

    0 5/5 Javier Gonzalez (USA) - See all my reviews, March 31, 2012
    List Price: $130.00
    Price: $56.90
    Provide excellent starting connections
    High electrical resistance
    Made of high quality
    Durable and reliable under extreme conditions
    Resists corrosion and abrasion


  • Mowtownusa

    Replacement Electronic Ignition Coil Solid State Module for Briggs and stratton 398811

    BISS (Mowtownusa)

    Rating (3 reviews):
    (3.7/5)
    Mowtownusa

    Works well but wire is to long

    0 4/5 Mike - See all my reviews Amazon Verified Purchase(What's this?) This review is from: Replacement Electronic Ignition Coil Solid State Module for Briggs and stratton 398811 The coil work perfect after I had to trim the ign wire. The fit of the coil is perfect and you will not have to worry about spark plug wire length. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , August 20, 2013

    Functional but high resistance

    0 3/5 Sam Skousen (NEW HUDSON, MI, US) - See all my reviews Amazon Verified Purchase(What's this?) This review is from: Replacement Electronic Ignition Coil Solid State Module for Briggs and stratton 398811 The product fit and functions with the lawn mower, but in measuring the resistance it exceeded the maximum specificaton by 200 ohms. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , August 20, 2012

    Electronic Ignition coil

    0 4/5 D. Brink (PA USA) - See all my reviews, December 31, 2013
    List Price: $43.50
    Price: $30.00
    You Save: $13.50 (31%)
    Excees OEM Specs
    1 Year Warranty


  • Standard Motor Products

    Standard Motor Products UF305 Ignition Coil

    Automotive Parts and Accessories (Standard Motor Products)

    Rating (2 reviews):
    (4.5/5)
    Standard Motor Products

    worked to perfection

    0 5/5 Carlos Díaz - See all my reviews Amazon Verified Purchase(What's this?) This review is from: Standard Motor Products UF305 Ignition Coil (Automotive) I install it on my 2001 and it worked Dogde caravan without any problem immediately recommend buying this produc t. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , September 26, 2013

    Standard Motor Products UF305 Ignition Coil

    0 4/5 retiredflyer "retiredflyer" (Texas Hill Country) - See all my reviews Amazon Verified Purchase(What's this?) This review is from: Standard Motor Products UF305 Ignition Coil (Automotive) Relatively easy to change. I replaced the old coil with this new one in less than 30 minuter. No more low-speed miss. Works right out of the box. Great price, too. Only drawback - the coil connectors are not marked with the corresponding cylinder. I had to dig the old one out of the trash to look and see which plug cable connected to which coil connector. otherwise, great product for a good price. I recommend this item. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , August 8, 2013
    List Price: $127.56
    Price: $42.29
    You Save: $85.27 (67%)
    Our premium ignition coils consist of a special blended formula for the best performance, longest life and better heat dissipation
    IGNITION COIL
    A full E-Lam core of silicon steel and solid brass high voltage terminals protects against corrosion. Our ignition coils are built for maximum output voltage
    Standard is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
    Our ignition coils use 100% pure copper windings in the primary and secondary bobbins to improve durability and provide higher resistance to internal shorts and dielectric breakdown


  • Pertronix

    PerTronix 40011 Flame-Thrower 40,000 Volt 1.5 ohm Coil

    Automotive Parts and Accessories (Pertronix)

    Rating (33 reviews):
    (4.7/5)
    Pertronix

    Great strong coil

    0 5/5 Brandon (Upland, California) - See all my reviews Amazon Verified Purchase(What's this?) This review is from: PerTronix 40011 Flame-Thrower 40,000 Volt 1.5 ohm Coil (Automotive) You can't beat pertronix products. They make good coils that outlast most other brands I have had. The black color looks great too in the engine bay.EDIT: 4 months later and this thing still starts my car everyday. Has not lost any color either.EDIT: Almost a year later and still no problems. Which is a suprise because my 65 mustang's engine is pretty lopey. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , April 26, 2010

    Together with Ignitor system transforms starting

    0 5/5 J. Bowen - See all my reviews, November 13, 2010

    ignition coil performs well

    0 5/5 Lt Dan - See all my reviews Amazon Verified Purchase(What's this?) This review is from: PerTronix 40011 Flame-Thrower 40,000 Volt 1.5 ohm Coil (Automotive) I had a hiccup with initial order, it was damaged enroute to me. I was happy to receive an email explaining situation and then talked to a very nice Amazon rep that had another out to me the same day and overnighted at Amazon's expense. It arrived in good condition and I installed without issue. Pertronix is considered by me as a higher than average part. they cost a little more than a no-name but I have never had any issues with their products. Sometimes you just need to pay a little more for a quality part especially if the installation time or cost will outweigh the savings. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , January 28, 2014
    List Price: $59.54
    1.5 or 3.0 Ohm primary resistance values available
    40,000 volts
    Legal in all 50 states and Canada (CARB EO #D-57-21)
    For use with inductive ignition systems
    Available chrome plated or black for that stock look


  • MSD

    MSD Ignition 8227 Blaster TFI Coil

    Automotive Parts and Accessories (MSD)

    Rating (8 reviews):
    (2.8/5)
    MSD

    Failed at about 8 months

    0 1/5 Robert S - See all my reviews Amazon Verified Purchase(What's this?) This review is from: MSD Ignition 8227 Blaster TFI Coil (Automotive) I can't tell you that I definitively felt any difference up front but it did install easily and worked initially. After about 8 months and 3000 miles, this part failed on me leaving me stranded on the side of the road in my RV. The total diagnosis and repair totalled about $1500 including towing. My guarantee allows me to return this one and get a replacement. $40 versus $1500 doesn't seem to make this a good bet. Electrical system problems can be a bear to diagnose. In retrospect, I would recommend going with Motorcraft (or maybe Delphi). 0 Help other customers find the most helpful reviews  Was this review helpful to you? , May 26, 2013

    GREAT UPGRADE... for a year tops

    0 2/5 Maria C. Sandez "duck4twenty" (hesperia ca) - See all my reviews, February 12, 2013

    msd ignition coil

    0 5/5 Lynn - See all my reviews Amazon Verified Purchase(What's this?) This review is from: MSD Ignition 8227 Blaster TFI Coil (Automotive) My Mustang runs and idles much better, noticeable increase in power. It was installed as part of a complete ignition upgrade. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , August 6, 2012
    List Price: $74.70
    One year limited warranty
    Maximum voltage 48,000 volts
    Lower resistance than stock
    Great replace coil for Ford
    Bolt-in replacement coil will produce more output voltage


  • MSD

    MSD Ignition 8214 Ballast Coil Resistor

    Automotive Parts and Accessories (MSD)
    List Price: $9.79
    Price: $8.71
    You Save: $1.08 (11%)

    Connects MSD coil to your stock points
    Sold individually
    One Year Limited Warranty
    Carries 0.8 Ohms resistance