TECH

Head Porting

DIY or Not? The horsepower game is all about getting as much air into the cylinder as possible, adding the appropriate amount of fuel and lighting it off. Boom...

Mini Monster 

CalMini’s 6-inch Lift for the New Cummins Titan XD Mid-sized diesel pickups are here. And the aftermarket has gone full-speed ahead in creating products to mak...

Inside AFC Live

Power and smoke control in part two of Hot Rod RV's fuel upgrades When we last left our Hot Rod RV project, it had just received a full complement of fuel upgr...

Lift Pump 101

A Basic Guide To Upgrading Your Diesel's Fuel System Text and Photos by Jason Sands Almost every diesel enthusiast has at least heard the term "lift pump." ...