My 1991 Civic's OEM ignition wires are now five years and
66k miles old. The 1991 owner's manual replacement interval is four years/60k miles. Tegger says he does his on his 1991 Integra at five years, period, though he lives in a northern climate in Canada (and I like what he says about ignition components). I live "out west" where in summer it's kinda hot, and for nine months of the year it's pretty darn warm. I would think the higher heat where I live would argue for more frequent replacement than Tegger's schedule.The following has been on my mind:
I check the wires' resistances once a year. The resistances haven't moved since purchase. I wash the wires off with water about twice a year. They do get pretty dusty. My 1991 Honda continues to get great fuel mileage, continuing to average about 40 mpg around town even in winter. Last summer on a 1000 mile highway trip, the car got 45 mpg.
Is there anything undetectable, so to speak, that could be going on with my Honda's ignition wires that would warrant replacing them a.s.a.p.? Or could I go another year without replacing them?
I also remember reading here that ignition wires made today (or thereabouts) last a lot longer than those made in 1991. Comments?