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That description of runs cold, quits hot is classic Lucas aluminum/paper electrolytic capacitor old age failure.I have no personal experience with the Brightspark. It seems to be a reasonable alternative to a complete rebuild. From my limited knowledge and experience about electrolytic caps, the only commercially available capacitor that was a PERFECT replacement to the Lucas, was a Panasonic polystyrene cap that is no longer available. Most professional K2F rebuilders use a polystyrene cap similar to the Panasonic, or have a back stock of the Panasonic caps.There is more than just matching capacitance, such as dV/dT (change in voltage per unit time) and temperature stability that determines what type of capacitor best matches the Lucas. Polystyrene, or ceramic (Brightspark) have an indefinitely long life expectancy ..... unlike the Lucas aluminum-paper caps which can be expected to fail in 30 -40 years due to old age deterioration of the paper.Slick
That description of runs cold, quits hot is classic Lucas aluminum/paper electrolytic capacitor old age failure.
I have no personal experience with the Brightspark. It seems to be a reasonable alternative to a complete rebuild. From my limited knowledge and experience about electrolytic caps, the only commercially available capacitor that was a PERFECT replacement to the Lucas, was a Panasonic polystyrene cap that is no longer available. Most professional K2F rebuilders use a polystyrene cap similar to the Panasonic, or have a back stock of the Panasonic caps.There is more than just matching capacitance, such as dV/dT (change in voltage per unit time) and temperature stability that determines what type of capacitor best matches the Lucas. Polystyrene, or ceramic (Brightspark) have an indefinitely long life expectancy ..... unlike the Lucas aluminum-paper caps which can be expected to fail in 30 -40 years due to old age deterioration of the paper.
Slick
