What does the Duraspark ignition module do?
Duraspark II uses a variable reluctance magnetic pickup in place of traditional breaker points. The signal from this pickup is amplified by the control module to drive the ignition coil. The module hold a fixed dwell time, and features automatic retard while cranking to reduce the load on the starter motor.
How do you wire a GM ignition module?
- Connect the White wire on the magnetic pickup coil to the [W] terminal on the module.
- Connect the Black wire on the magnetic pickup coil to the [G] terminal on the module.
- Connect the ignition coil negative (–) terminal to the [C] terminal on the module.
What is a Duraspark distributor?
Each Duraspark Electronic Distributor is custom calibrated on a distributor machine and blueprinted for your Ford engine to provide maximum power, torque and instant throttle response.
What year did Duraspark 2 come out?
The Duraspark II is a Ford electronic ignition system. Ford Motor Company began using electronic ignitions in 1973 with the Duraspark electronic ignition system and introduced the Duraspark II system in 1976.
When did Ford stop using Duraspark?
DuraSpark II, on the other hand, remained in use though until 1986. Ford did make several varieties of modules, some for special applications like high altitude, but most used the common and reliable “blue strain” module.
What year did GM start using HEI ignition?
Chevrolet’s High Energy Ignition (HEI) from the Delco-Remy Division of General Motors was first offered in 1974 on production cars, though in very limited numbers. In 1975, HEI became standard on all GM vehicles.
What years did Chevy use HEI distributor?
GM’s High energy ignition (HEI), designed and built by the Delco-Remy division of General Motors starting in 1974. These units were used on all engines in 1975 through the mid-1980s, with several different variations over the years.
What kind of distributor does Duraspark use?
Duraspark II Distributor. Bang for the buck, the Duraspark II distributor is hard to beat as a triggering devise for an electronic ignition system. Coupled with either the sock ignition box or an aftermarket control box (such as as the Dyna Module or MSD-6A) it is a tough, readily available, reliable distributor.
When did Ford start using Duraspark II ignitions?
Ford began using electronic ignitions in 1973 and introduced the Duraspark II system in 1976. The biggest change, apart from the control box redesign, was the large distributor cap to handle the increased spark energy.
Where does the green wire run on a Duraspark 2 system?
The green wire runs from the module to the TACH or minus coil terminal. This is where you can connect a normal tachometer. The orange and purple wires from the module run to the pickup inside the distributor. Retrofitting the Duraspark II system to earlier small block V-8 cars is a popular swap.
Can you swap a Duraspark 2 system for a 351?
Retrofitting the Duraspark II system to earlier small block V-8 cars is a popular swap. A few things should be considered when selecting the parts: Distributors do not physically interchange between a 302 and 351W. 351W engines have a larger oil pump driveshaft.