Helpful Info

Match S&S injectors and CP3 pumps to your horsepower goal, with sizing charts for 5.9L and 6.7L Cummins, 6.7L Power Stroke, and LB7 through L5P Duramax.

A full breakdown of every Schaeffer's oil, fuel additive, transmission fluid and grease we carry, which diesel engine each one fits, and the oil and fuel filters to run with them. From a shop that puts this oil in customer trucks every week.

LB7 injectors fail. It is not a question of if. Here is how to spot it early, how to run a leak off test yourself, and how to decide between OEM and aftermarket when it is time to replace all eight.

Big power is easy to buy. Putting it to the ground is the hard part. Here is what Pro Form Fab suspension actually fixes and which kit fits your truck.

Rough idle, hard starts, white smoke, knock. Five symptoms that point at injectors, and what each one means specifically on a 6.0 Powerstroke, 6.7 Cummins, and LBZ Duramax.

SCT, EFI Live, or a custom tune? What each one actually does on a 6.0 Powerstroke, and how to add power without cooking head gaskets or killing the turbo.

A heavy truck is hard on tires. What to look for in an all terrain, how tread design affects wear and towing stability, and when a highway tire is the smarter call.