Having the engine on my ’91 Bronco suddenly die while rolling along the interstate at 70 mph with big rigs and cars all around is one of the most unnerving situations I’ve been in, on or off-road.

Horse Sense:There's more to a major tune-up than simply throwing in fresh spark plugs. The entire secondary ignition should be checked and replaced if needed. Using a complete system such as the 5.0 ...