vs
Ignition coil DELPHI or MSD
Delphi will be all you need. Delphi are fine even on ST setups running 700+whp. There’s really no need for others.
Pros: reliable for high power
Vehicle:
BMW
Stepdad recommended replacing ignition coils, so I purchased a 4 pack of Delphi GN 10369 from amazon. Sure enough, we just replaced the coils, and boom, it ran good as new (to me).
Pros: ran good as new, fixed misfire
Vehicle:
Acura TSX
Part number: GN 10369
I replaced the coil with a MSD high performance which was actually cheaper than any other brand, and had significantly better boots on it to keep the water problem from happening again. Haven’t had an issue in 2 years.
Pros: cheaper, better boots, no issues
Vehicle:
Chevrolet Cruze
I have a 2017 Forte with the regular manual transmission 2L non-GDI engine. At about 19,000 miles I started getting a strange sudden drop in RPM at random times (idle or on freeway). I would mostly notice the loss in power when it dropped and it would return to normal usually in less than five seconds. Never got any codes and car ran great 99.9% of the time.
As I approached 23,000 miles it got more frequent and finally threw a P0302 (Cyl 2 Misfire). I inspected spark plugs first. To no surprise they were in great condition. I swapped cylinder 2's ignition coil to cylinder 3, cleared the codes with my scanner, and the coders all cleared. About two days later I got a P0303 (Cyl 3 Misfire).
I ordered a Delphi ignition coil (GN10877) on Rockauto to replace the suspect ignition coil. Haven't experienced the issue since. Car also idles so well now that I can't feel it in steering wheel or hear it at idle.
I had no idea how bad that ignition coil was until it was replaced and was still shocked that it started failing at 19,000 miles.
Pros: resolved misfire, smooth idle
Vehicle:
Kia
Mileage: 23000 km
Part number: GN10877
I got MSD Street Fire coils to replace mine and its been 4 months so far and they're running strong.
Pros: running strong
Vehicle:
Ford Crown Victoria
I have used the blaster w a stock icm (the inductive version) and also with a 6al (cdi version). Both worked well over for 400whp with a stock dizzy.
Pros: worked well, high performance
Vehicle:
Volkswagen Corrado
I think the only difference is lifespan and reliability. I wouldn't cheap out on plug-on-coils because the budget companies don't take as much care with the wire insulation (apparently 2 different temperature ratings are acceptable, and the cheap companies use the lower temperature), coil material, or the epoxy that coats and insulates everything isn't as good or isn't applied as well.
Pros: lifespan and reliability
Cons: wire insulation quality
I went with (6 of each) Delphi GN10168 coils & NGK 2262 spark plugs. $150 with 5% discount + shipping. I hope I made a wise decision.
Vehicle:
Honda Odyssey
Part number: GN10168
I ran a Blaster 2 on my old car for a bit. Idle was a little smoother, but it was probably because the coil on it was crap. No real performance gains expected.
Pros: smoother idle
Cons: no performance gains
I had troubles with Delphi units. Replaced all 6, then replaced them again with a wty set. Still had issues.
Cons: issues with Delphi units
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