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A distributor consists of a rotating arm ('rotor') that is attached to the top of a rotating 'distributor shaft'. The rotor constantly receives high-voltage electricity from an ignition coil via brushes at the centre of the rotor. As the rotor spins, its tip passes close to (but does not touch) the output contacts for each cylinder.
The distributor rotor turns in time with the camshaft. When it is time for a spark plug to fire, the rotor (the blue bar shown in the distributor in the figure above) connects the center electrode of the distributor cap to an electrode connected to a spark plug wire. This occurs simultaneously with the points opening and the coil delivering a ...
A wider spacing was also needed between the cap, inserts and the distributor housing to prevent arc-over and leakage to ground. The higher voltage output of the HEI system required new insulation materials. To prevent ignition failure due to carbon tracking, a special material is used for the distributor cap and rotor.
Work Completed: Distributor rebuilt: distributor cap contacts cleaned, new rotor arm bearing and centrifugal bob weights installed, track control arm bushings replaced, dents and scratches in the bodywork repaired and painted, Cromodora alloy wheels and chrome center hubcaps refurbished, original orange interior carpets replaced with specially ...
Vintage engine testing equipment that can test ignition timing, ignition dwell, manifold vacuum and exhaust emissions. Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability.
An ignition coil consists of an iron core surrounded by two coils (windings) made from copper wire.The primary winding has relatively few turns of heavy wire, while the secondary winding consists of thousands of turns of smaller wire and is insulated from the high voltage by enamel on the wires and layers of oiled paper insulation.