I agree with all of that - If the $20 lifetime wires 'work' for you, why spend more? I didn't intend to come across as knocking anyone who makes a different choice You change them cuz you choose to or on a preventive schedule, that's cool too. I would no sooner tell anyone their wires are not working at a high mileage than they would me for changing mine more often. Frankly, what's best for my car, me, my wallet, and my happiness and joy may not always be the same as someone else but the car runs just fine, thank you.įor those who want maximum never touch the car then NGK is among several great choices available.but they still fail at some point.and that point is vastly different for many.
We all have opinions and some of us just like tinkering all the time. I really don't care much if someone gets 65K, 120K or 18K from a set or changes them annually as part of just "working' with their car and "feel" that changing the wires enhances their car's performance,looks, or whatever. It's been discussed a million times here and most of those who I choose to put some trust in their conclusions all get to the heat effect on the wires. twice as many spark plug fires as the engine really needs, but no distributor or cap or rotor to deal with - Pretty good deal. One coil pack fires #1 and #4 at the same time (iginting the mixture in #1 and giving #4 a 'wasted spark' since it's on the exhaust stroke) - Same is true of the other coil pack with #2 and #3 Two pistons move up and down together - On a Miata (as well as most other inline 4 bangers) it's #1 and #4 going up and down simultaneously (one on the comperssion stroke and one on the exhaust stroke) and same deal with #2 and #3 together, one on compression and one on exhaust This technology isn't new - Motorcycles have been doing it for 30 years Your Ranger isn't firing all 8 plugs at once, or it would have just one coil pack with 8 wires on it - Instead it has two coil packs and each pack fires 4 plugs. I've never heard a good explanation why Miatas are so hard on wires, but I'd be amazed if the plugs are firing when the cylinder is not on the compression stroke. My Ford Ranger has a 2.3L 4 cyl, with 2 coil packs each with 4 wires (Ford decided 2 plugs per cyl was better than just one).Using that reasoning, ALL EIGHT PLUGS MUST BE FIRING AT THE SAME TIME!!!!!!!! I'm afraid to start it now! I'm no engineer, but I don't think that's the way the coil packs work.
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