I can accept that. A bad engine ground can cause many problems. You figre that most of the points the engine and tranny connect to the frame they are connected with rubber bushings, with no grounding effectivly. There is only minsor small grounding through other sensors. The main way a plug works is jumping a spark fromt he electrod to ground. If the engine is poorly grounded it can't jumpo the spark as easily. Hence the reason why most vehicles have an engine ground.

2000 Trooper 4x4, Auto, TOD pretty much stock at the moment.

2001 Camaro Z28, M6, fully loaded and too many mods to list! AKA Dark Angel