Not sure which MSD unit you have but years ago I had an issue with a Digital 6 box that would crap out intermittently. MSD said the potting cracked and was causing the erratic behavior. Maybe you have a similar situation? Jeff
life has gotten in the way for a bit , hi heat and humidity here also , but the last drive it ran great , except for a surge at idle , have the fuel. inj. set pretty lean set pretty lean , will adjust it next outing...
