According to MSD they had a insulation problem on the earlier production runs.. has been fixed since as they now use a different insulation material. I have had 1 on my DD for over 70K not a single issue, and my toy for over 30k and no issues, other than a hotter spark.
Yes, I know.. your milage may vary and this is just my exp,,
460whp/450wtq on 92pump with 100%meth inj@28PSI-360whp/350wtq low boost 18psi no meth
BW255/.63 Turbo, Willwood BBK, Hotchkis Suspension
Daily Driver--2001 Dodge Neon SE 2.0L SOHC
Magnum Swap, 5-speed 163whp/145wtq