Ignition System

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Aldon Automotive Flame Thrower Ignition Coils – Suits 4 Cylinder Engines Race Use In Black – 3 ohm

The Flame Thrower range of high output ignition coils from Aldon will benefit virtually any distributer based ignition systems, with the exception of original equipment electronic ignition.Delivering up to 40,000 volts the Flame Thrower coil allows a larger spark plug gap to be used which increases power, gives a smoother response and improve fuel economy.Flame Thrower ignition coils are available in various models to suit different ignition needs. Coils designed for road use are not suitable for race use and vice versa. Race coils are epoxy filled to resist vibration that can occur in offroad motorsport events.View more

Aldon Automotive Flame Thrower Ignition Coils – Suits 4 Cylinder Engines Road Use In Black – 3 ohm

The Flame Thrower range of high output ignition coils from Aldon will benefit virtually any distributer based ignition systems, with the exception of original equipment electronic ignition.Delivering up to 40,000 volts the Flame Thrower coil allows a larger spark plug gap to be used which increases power, gives a smoother response and improve fuel economy.Flame Thrower ignition coils are available in various models to suit different ignition needs. Coils designed for road use are not suitable for race use and vice versa. Race coils are epoxy filled to resist vibration that can occur in offroad motorsport events.View more

Aldon Automotive Flame Thrower Ignition Coils – Suits 4 Cylinder Engines Road Use In Chrome – 3 ohm

The Flame Thrower range of high output ignition coils from Aldon will benefit virtually any distributer based ignition systems, with the exception of original equipment electronic ignition.Delivering up to 40,000 volts the Flame Thrower coil allows a larger spark plug gap to be used which increases power, gives a smoother response and improve fuel economy.Flame Thrower ignition coils are available in various models to suit different ignition needs. Coils designed for road use are not suitable for race use and vice versa. Race coils are epoxy filled to resist vibration that can occur in offroad motorsport events.View more

Aldon Automotive Flame Thrower Ignition Coils – Suits 6 – 8 Cylinder Engines Race Use In Black – 1.5 ohm

The Flame Thrower range of high output ignition coils from Aldon will benefit virtually any distributer based ignition systems, with the exception of original equipment electronic ignition.Delivering up to 40,000 volts the Flame Thrower coil allows a larger spark plug gap to be used which increases power, gives a smoother response and improve fuel economy.Flame Thrower ignition coils are available in various models to suit different ignition needs. Coils designed for road use are not suitable for race use and vice versa. Race coils are epoxy filled to resist vibration that can occur in offroad motorsport events.View more

Aldon Automotive Flame Thrower Ignition Coils – Suits 6 – 8 Cylinder Engines Road Use In Black – 1.5 ohm

The Flame Thrower range of high output ignition coils from Aldon will benefit virtually any distributer based ignition systems, with the exception of original equipment electronic ignition.Delivering up to 40,000 volts the Flame Thrower coil allows a larger spark plug gap to be used which increases power, gives a smoother response and improve fuel economy.Flame Thrower ignition coils are available in various models to suit different ignition needs. Coils designed for road use are not suitable for race use and vice versa. Race coils are epoxy filled to resist vibration that can occur in offroad motorsport events.View more

Aldon Automotive Flame Thrower Ignition Coils – Suits 6 – 8 Cylinder Engines Road Use In Chrome – 1.5 ohm

The Flame Thrower range of high output ignition coils from Aldon will benefit virtually any distributer based ignition systems, with the exception of original equipment electronic ignition.Delivering up to 40,000 volts the Flame Thrower coil allows a larger spark plug gap to be used which increases power, gives a smoother response and improve fuel economy.Flame Thrower ignition coils are available in various models to suit different ignition needs. Coils designed for road use are not suitable for race use and vice versa. Race coils are epoxy filled to resist vibration that can occur in offroad motorsport events.View more

Aldon Automotive Ignition Coil Bracket

Ignition coil mounting bracket to make mounting of the coil a much easier job.View more

Aldon Automotive Ignitor Electronic Ignition Kits – AC Delco

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – AC Delco D202 – D204

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Bosch 0231 With Vacuum Advance – Left Hand Pivot Points

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Bosch 0231 With Vacuum Advance – Right Hand Pivot Points

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Bosch With 18.6mm Cam – Clockwise Rotation

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 22D6 – 25D6 Positive Earth

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 23D4 – 25D4

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 23D6 – 25D6

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 43D4 – 45D4 With Blue Heel Contacts

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 43D4 – 45D4 With Red Heel Contacts

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 43D6 – 45D6 With Red Heel Contacts

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 43DM6 With Electronic Ignition

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas 45DM4 – 47DM4

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Ignitor Electronic Ignition Kits – Lucas Lucas DVX6A-40199E, 40436A With Vacuum Advance

These solid state electronic ignition kits from Aldon Automotive are the ideal solution to replacing unreliable contact breaker systems. The discreet kits fit inside the distributer cap so there are no external boxes and wiring is simple.Benefits of the Ignitor ignition kits include – Increased Spark Plug Life More Consistent Ignition Timing Better Engine Response Smoother Running No Wearing PartsApplication guide:View more

Aldon Automotive Lucas Sport Coil

The Lucas Sport coil has been used as a high performance replacement by classic and sports car enthusiasts for many years. Having a resistance of 3 Ohms makes it ideal for use on contact breaker (points) triggered ignition or with after market ignition systems.The high output (up to 24000 volts) allows plug gaps to be increased resulting in better combustion, improved performance and better economy.View more

Aldon Automotive Performance Distributors

With tuned engines using different camshaft profiles and often twin sidedraught carburettors, the standard distributor unit becomes unsuitable, providing an ignition curve which no longer matches the engine. The result is a loss of performance and Drivability.Aldon performance distributors are based on new Lucas or Bosch units and have been dyno developed to provide the correct ignition advance curve to suit different states of engine tune. Most versions are available with an option of having a mechanical advance for engines using twin sidedraught carburettors.All distributors can be fitted with the original style contact breaker (points) system but it is recommended that an electronic ignition system such as the Aldon Ignitor is used to gain the full benefits. APPLICATIONS 'A' SERIES APPLICATIONS 100AY – A non-vacuum distributor, to suit most tuned engines, using camshafts such as Piper 270/285, Kent 266/276 and 286.100AYV – A distributor with the same characteristics as the 100AY but fitted with a vacuum advance. (As a general rule comp. ratios over 10:1 use 100AY). 100AYS – Identical to the 100AY but fitted with a distributor cap which has the H.T. leads coming out of the side instead of the top. Necessary for Sprite/ Midget applications.100AYSV- Identical to the 100AYV but fitted with a distributor cap which has...View more

Aldon Automotive Performance Distributors – BMC A Series 100AR

With tuned engines using different camshaft profiles and often twin sidedraught carburettors, the standard distributor unit becomes unsuitable, providing an ignition curve which no longer matches the engine. The result is a loss of performance and Drivability.Aldon performance distributors are based on new Lucas or Bosch units and have been dyno developed to provide the correct ignition advance curve to suit different states of engine tune. Most versions are available with an option of having a mechanical advance for engines using twin sidedraught carburettors.All distributors can be fitted with the original style contact breaker (points) system but it is recommended that an electronic ignition system such as the Aldon Ignitor is used to gain the full benefits. APPLICATIONS 'A' SERIES APPLICATIONS 100AY – A non-vacuum distributor, to suit most tuned engines, using camshafts such as Piper 270/285, Kent 266/276 and 286.100AYV – A distributor with the same characteristics as the 100AY but fitted with a vacuum advance. (As a general rule comp. ratios over 10:1 use 100AY). 100AYS – Identical to the 100AY but fitted with a distributor cap which has the H.T. leads coming out of the side instead of the top. Necessary for Sprite/ Midget applications.100AYSV- Identical to the 100AYV but fitted with a distributor cap which has...View more

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Ignition System

The ignition system of an internal combustion engine is an essential part of the overall engine system. It generates a spark or a very high voltage to ignite a fuel-air mixture in the engine’s combustion chamber. The system also controls the timing of the spark/voltage to ensure it occurs at the right time and is sent to the correct cylinder.

These systems are made of two circuits which work together to create an electric spark at the spark plugs. These circuits are:

  • The primary circuit - this circuit operates on low voltage (12 to 14.5 volts) and is responsible for producing a signal to fire the spark plug and sending the signal to the ignition coil. The ignition coil converts this 12/14.5-volt signal into a high volt charge.
  • The secondary circuit – this is the high voltage section of the ignition circuit. Once the voltage is stepped up, it goes through this circuit and is then directed it to the correct spark plug at the right time.
  • The Basic Components of an Automotive Ignition

    The ignition circuits are made of various components designed to achieve specific functions on the system. These components are:

    Battery – the battery provides electric power for the circuit.

    Ignition switch – this component is normally mounted on the dashboard or steering column. It controls the current flowing through the battery and the ignition.

    The ignition coil - the coil features a metal casing containing two sets of wires on a central iron core. This electromagnetic device converts battery voltage into high-tension current (30,000 volts and greater).

    The distributor – this unit directs the flow of high-voltage current from the coil and sends it to each spark plug. It has a metal bowl that contains a central shaft which is often driven by the camshaft. The bowl houses the capacitor, distributor cap, contact-breaker points, and rotator arm.

    Spark plugs – these devices provide an air gap in the combustion chamber for an electric arc. The high-tension current from the distributor flows through the spark plug then generates a spark as it passes through the air gap to the side electrode. The spark then flows through the spark plug body and the engine, then back to the coil, completing the circuit.

    Types of Automotive Ignition Systems

    Automotive ignitions have evolved over the years to deliver improved and more powerful performance. Today, there are three main types of automotive ignitions and despite their differences in components and technology, they operate on the same basic principle.

    Here’s an overview of the three types of systems:

    1. The breaker-point ignition

    In this type of ignition, the distributor cam and shaft rotate when the ignition switch is turned on causing the distributor cam to close and open the contact points. Since contact points of this ignition are connected to the primary windings, they make and break the primary circuit. When the contact breakers are closed, the current produces a magnetic field in the coil’s core. When the points open, the current stops flowing causing the magnetic fields generated in the coil to collapse. The change of magnetic flux produces a high voltage in the secondary windings that causes the gap in the spark plug to arc and ignite the fuel.

    The biggest drawback of breaker-point systems is that they require regular maintenance to compensate for wear and tear.

    2. Electronic ignition

    The main difference between the breaker-point ignition and the electronic ignition is in the primary circuit. The primary circuit in a breaker-point system is open and closed by contact breakers while that of the electronic ignition is open and closed by an electronic ignition control module.

    This type of system is maintenance-free as it doesn’t have moving parts, has more power output and is more fuel efficient. Types of the electronic ignition include capacitance discharge ignition (CDI), piezo-electric ignition, the Texaco system, and transistorized system.

    3. Distributorless/Direct system

    This type of system is common in modern engines. It doesn’t have a distributor but instead has an ignition coil mounted on top of the spark plug. The timing of the spark plug is controlled directly by the engine control computer or by an ignition module.

    The major components of the distributorless system are an electronic control module, a magnetic sensor, coil packs, and a crankshaft reluctor ring.

    How an Ignition System Can Improve A Car

    These systems degrade with age and mileage, resulting in inconsistent spark delivery or misfires. Ignition problems can also cause a rough idle, loss in power and acceleration, reduced fuel economy and even stalling.

    Upgrading the system with high-quality components will deliver a more powerful spark, resulting in increased engine efficiency and performance.