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Ignition wires
Hi Guys ! My experience with four Alfas and several Fiats is somewhat different. I found that Alfa Ignition in general is pretty good, the FIATS always marginal. The Bosch wires are the best - durable and well insulated so they should not cause arcing problems unless they are damaged / burned. Substiting "modern" silicone wires is asking for trouble. Better to have old ones that work. The Bosch wires I have are durable metal wire core with strange resistor ends that provide a good contact. I hope that these are still available. Alfas are not normal cars - their engines get a lot of attention and owners are constantly fiddling with them . The Ignition wires, esp the carbon core type, do not take kindly to handling.
After replacing the cap and rotor be sure to replace that black plastic clamshell distributor cover that came on the car, you may have to cut up the rubber wire grommet to put it on new wires , then tape over it. Unfortunately that clamshell is rarely present because some mechanics throw it away since it is a knuckle buster to work around. The clamshell/distributor cover will be a first line of defense against condensation and moisture and will end your soggy morning problems. My 79 X1/9 simply would not run more than a week if that shell , or the black plastic cover that comes on original Bosch caps ( My Audi / Volks) and marked "do not dispose", was not replaced by the mechanic.
My Quad was missing the cover and had been giving some wet weather trouble to the previous owner. I was very pleased to get a complete cover at a wrecking yard where I bought spare electronics/relays/ computers off a Spider headed to the crusher.
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