With an ignition and electrical system analyzer, timing light and vacuum gauge—such as these Penske units from Sears, Roebuck and Company—normal tuning, troubleshooting and a number of not-so-normal ...

We may receive a commission on purchases made from links. Owning a vehicle is an expensive undertaking, especially with the cost of gas on the rise again. Repairs can also be costly and difficult to ...

Back then, engine tune-ups relied on how the vehicle felt and responded, judged purely by the senses. These days, servicing ...