The Cummins 6.7L turbo diesel engine entered its fifth generation ... Another point of concern for 6.7 Cummins hydraulic roller lifters is a dowel pin used for keeping the lifters aligned.

“One thing that we didn’t catch with the finite element analysis was that while the 3/8-in dowel pins are strong enough to resist shearing apart, a press fit hole in the body isn’t strong ...

The excitement over this stylish new model hadn’t subsided by 1980, when this top-trim RX-7 GS left the showroom ... twin-rotor engine that made 100 hp at 6,000 rpm and 105 lb-ft of torque ...