In air cooled automotive technology, the ignition system is crucial in starting and running your engine. Two primary systems are commonly used in older and classic cars: points-based ignition and electronic ignition. Understanding the differences between these systems can help you determine which option is best for your vehicle.

Article Index:

  • What is the difference between points and electronic ignition?
  • What are the pros/cons of points and electronic ignition?
  • Which electronic ignition kit works best for my vehicle? (a.k.a. How much do i want to spend?)
  • Electronic ignition comparison charts.

What is the difference between points and electronic ignition?

One of the simplest upgrades for your classic VW engine is swapping out your points and condenser for an electronic ignition kit. But is it worth it? What is the difference between stock and Electronic ignition, and what are the differences between the electronic ignition kits themselves?



What is a Points-Based Ignition System?

This is what originally came in your car from the factory. Points-based ignition systems have been used in vehicles for decades because they are simple and easily replaced. In this system:

Components: A distributor, mechanical contact points, and a condenser.

How it works: The points open and close in sync with the engine's rotation, creating and breaking the electrical circuit that sends high-voltage pulses to the spark plugs.
Timing: The mechanical nature of this system controls when the spark is delivered to the engine.



What is an Electronic Ignition System?

Electronic ignition systems have largely replaced points-based systems in modern cars. Instead of mechanical points, this system relies on solid-state components.

Components: A distributor, a magnetic collar, and a control module.

How it works: The sensor detects the engine’s position and sends signals to the control module, which in turn triggers the ignition coil to send the spark at precisely the right moment.
Timing: Timing is controlled electronically, allowing for more accuracy.

Key Differences Between Points and Electronic Ignition

FeaturePoints-Based IgnitionElectronic Ignition
AccuracyMechanical timing (subject to wear)Precise electronic timing
MaintenanceRegular adjustment and replacementLow maintenance
DurabilityPoints wear out over time, requiring periodic replacementLong-lasting and more reliable
PerformanceLess consistent at high RPMsBetter performance and efficiency at all speeds
CostLower upfront cost, but recurring maintenanceHigher initial cost but fewer long-term expenses
CompatibilityIdeal for restoring classic cars to original conditionPerfect for performance upgrades and modern use

Advantages of Points-Based Ignition

  • Cost-Effective: While electronic systems are more advanced, points-based systems have a lower initial cost.
  • Nostalgia: For classic car enthusiasts, keeping the original points-based system can be essential for authenticity.
  • Simple to Repair: Mechanics familiar with older systems often find points-based ignitions easier to troubleshoot and repair.

Cons of Points-Based Ignition

  • Maintenance: Like all mechanical parts, point wear out with regular use.


Advantages of Electronic Ignition

  • Improved Efficiency: Delivers consistent and optimized spark timing, improving fuel efficiency.
  • Increased Reliability: With no moving parts to wear out, electronic systems are more dependable, particularly in varying weather conditions.
  • Better Performance: Enhanced spark control, especially at higher RPMs, allows for smoother and more efficient engine operation.
  • Low Maintenance: Once installed, electronic systems require minimal upkeep, saving time and money in the long run.

Cons of Electronic Ignition

  • Higher initial cost than replacing points & a condensor.
  • Can be easily fried if installed incorrectly.
 Which System is Best for You?
For most consumers, especially those looking for a low-maintenance, reliable solution, electronic ignition is the better option. It offers more precise control, increased reliability, and better engine performance. However, for purists and classic car enthusiasts, maintaining the original points-based system might be preferable for authenticity, though it comes with the caveat of frequent maintenance.

By understanding the differences and benefits of each system, you can make an informed decision that best suits your vehicle and driving needs!

  • For Daily Drivers: If you're looking for a reliable, low-maintenance solution for a daily driver, electronic ignition is the clear winner. Its precision, durability, and improved performance at all RPMs make it ideal for modern use.
  • For Classic Car Enthusiasts: If maintaining the authenticity of your classic car is important to you, then sticking with a points-based system may be the best choice. However, be prepared for regular maintenance and tuning.
  • For Performance Seekers: If you're seeking improved performance or tuning capabilities, electronic ignition will provide the consistency and control you need, especially for high-revving engines.

Stage 1 Electronic Ignition Systems

- Increased voltage to your spark plugs for longer spark plug life
- More horsepower and better fuel economy
- No moving parts to wear out

Model 1847V 1847A 21100 9432
Name PerTronix Ignitor Ignition Kit - for 009 & 050 Distributors PerTronix Ignitor Ignition Kit - for some Stock Bosch Distributors Compu-Tronix Electronic Ignition Module EMPI Accu-fire Electronic Ignition Kit
Compatible Distributors 0231 178 009,
0230 081 050		 0231 115 078, 0231 137 035, 0231 137 036, 0231 167 012, 0231 167 029, 0231 167 049, 0231 167 053, 0231 167 070, 0231 168 005, 0231 170 034, 0231 170 036, 0231 173 001, 0231 173 005, 0231 173 007, 0231 173 009, 0231 176 028, 0231 176 033, 0231 176 044, 0231 176 048, 0231 176 055, 0231 178 009, 0231 181 003, 0231 181 005, 0231 181 007, 0231 181 012, 0231 181 014 0231 178 009,
0230 081 050		 0231 178 009,
EMPI's 9441-B
**Can be used on most distributors that use Bosch 044 points.
Compatible Coil Requires a coil with 3 to 4.2 ohms of internal resistance. Requires a coil with 3 to 4.2 ohms of internal resistance. Requires a coil with 3 to 4.2 ohms of internal resistance. Requires a coil with primary resistance of 3.4 Ohms and secondary of 7.8 Ohms.
Compatible Spark Plug Wires Works with Solid Core, Suppression, or Spiral wound spark plug wires. Works with Solid Core, Suppression, or Spiral wound spark plug wires. Works with Solid Core, Suppression, or Spiral wound spark plug wires. Works with Solid Core, Suppression, or Spiral wound spark plug wires.
Voltage 12 Volts 12 Volts 12 Volts 12 Volts
Rev Limiter No No No No

Stage 2 Electronic Ignition Systems

- Same advantages as Stage 1.
- Adaptive dwell control maintains energy throughout the RPM range
- Reduces engine mis-fires
- Averages 4 times more spark output between 3K and 5K RPM
- Automatically adjusts timing at high RPM to compensate for electronic delay
- Senses engine start up for increased output and easier starts

Model 91847A
Name PerTronix Ignitor 2 Ignition Kit - for 009 & 050 Distributors
Compatible Distributors 0231 178 009,
0230 081 050
Compatible Coil NOTE: Must be used with a low resistance .6 Ohm, 45000 Volt Coil.
PerTronix Flame-Thrower II Oil Filled Coil (Black)
PerTronix Flame-Thrower II Oil Filled Coil (Chrome)
Compatible Spark Plug Wires Suppression or Spiral wound spark plug wires must be used with the Ignitor 2
Voltage 12 Volts
Rev Limiter No

Stage 3 Electronic Ignition Systems

- Same advantages as Stage 2.
- Adjustable rev limiter and multiple spark output.

Model 71847A
Name PerTronix Ignitor 3 Ignition Kit - for 009 & 050 Distributors
Compatible Distributors 0231 178 009,
0230 081 050
Compatible Coil Must be used with a low resistance .32 Ohm, 45000 Volt Coil.
PerTronix Flame-Thrower II Oil Filled Coil (Black)
PerTronix Flame-Thrower II Oil Filled Coil (Chrome)
Compatible Spark Plug Wires Suppression or Spiral wound spark plug wires must be used with the Ignitor 2
Voltage 12 Volts
Rev Limiter Yes

Stage 4 Electronic Ignition Systems

Model 11100 / 11100-B 00-9442-0
Name Compu-Fire D.I.S. Ignition System EMPI HEI Ignition Kit
Compatible Distributors 12 Volts 12 Volts
Voltage 12 Volts 12 Volts
Rev Limiter Yes Yes