Originally posted by camaro_fever68
If you didn't have grounds before from the engine to frame and engine to firewall, chances are you fried both coils. It doesn't take long, especially with a high performance coil and module. Plugs are most likely fouled also.
i forward that motion... i've gone thru the same problems recently with my mustang... when i thought i had fixed the ground issue i had been stuck thinking that the plugs were still good.... but they were all fouled up