Whether you're running the Dusy Trail, the Rubicon, Moab's Hell's Revenge, or maybe just cruising a Colorado backroad over Pearl Pass, there is one thing that keeps you from walking: Oil. We all know ...

Last month I discussed how oil doesn’t wear out but needs changing only because it becomes too contaminated to do its job. Changing oil at an arbitrary mileage points to only two scenarios, both bad: ...

Bypassing is often a smart thing to do. If you've got bypass tubes on your shocks, you've got more suspension control and adjustability than with smoothies. If you're on a trail and happen upon an ...

The Spinner II bypass filter uses centrifugal force to fling particles to a wall that can be removed and cleaned. Gary Frisbe runs a 550-hp Caterpillar in over-the-road operations. “My Cat has 750,000 ...

The Racor division of Parker Hannifin has unveiled a new line of bypass oil filters, designed to remove up to 99 percent of all solid contaminates and lengthen the life of engine components. The ...

Lubricating oil in any type of internal combustion engine, unless protected by an adequate oil filter, can become contaminated to the point where internal damage is done to the engine and operating ...