Fixing air leaks with a 12 valve fuel heater delete
If you're tired of your old Dodge hunting for idle or stalling out at stoplights, doing a 12 valve fuel heater delete might be the smartest afternoon project you can tackle. It's one of those "while you're in there" jobs that saves a ton of headache down the road, especially if you're chasing a mysterious air leak that's making your truck run like a bag of hammers. The 12-valve Cummins is legendary for its reliability, but the fuel system components bolted to the side of the block haven't always aged as gracefully as the engine itself. ...