Who makes a quality upgraded ignition coil-3rd MSD coil failed

[6500rpm]

Daily driver with a mild Gearhead AO tune and OEM turbos, just had the 3rd MSD coil fail in just a few years of use. It seems to have better idle quality and power with the MSD over the factory coils, but no supporting evidence from a data log. Does anyone make a decent coil, or should I just live with the bleed as they fail? I should have bought an extra set from our member back in the day when he was selling them just for replacements.

 

[yaycandy]

I just had my first one fail on me today after 5 years. Put oem one back in and she’s happy again. I’ll probably just replace them all back to oem. All the tuners tell me the oem ones can handle everything for my setup and it’s more than most. Once a year I dyno it for a health check, just ran it last month on my local shops dyno and still averages 470whp 4 runs on e30. I should run it on the dyno after putting oem coils back on to see what it actually made with them.

 

[Frozen SHO]

I had an MSD coil fail on me while racing on the track. To confirm that the coil had failed, when I got home, I moved the MSD coil to another cylinder on the engine. The digital trouble code followed the MSD coil to the new cylinder. I sent the coil to Holly for testing, and the coil was returned to me with a report that there was nothing wrong with the coil. The owner of the dyno shop that tunes the car, agreeing with yaycandy, told me that the OEM coils are probably more reliable. Before next race season, I will convert back to the OEM coils.

 

[mmorey79]

Unfortunately for COPs unless you can find a hotter/better OEM that fits, generally speaking "performance brand" aftermarkets are going to be at best slightly better with worse reliability, and in most cases the same or worse output and reliability. Most of them are made by the same random suppliers that sell the OE replacements and colored in the manufacturers signature color. I'd look at the 2nd gen F150/raptor/GT coils and see if they come in a configuration that might work.