I have a SBC with HEI I've had to replace 6 modules in the last year We've tried used ones and new after market types they last 1 to 2 3 months at fist it seemed if it was really hot but I;ve had them fail in cooler weather as well we've done the installs with the heat sink grease change distributors I'm out of ideas anybody got some others or have cured the same problem?


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