April, 1999 Archives - Engine Builder Magazine
Rebuilding The GM Quad 4

The Quad 4 had four valves per cylinder, tuned intake and exhaust manifolds, no distributor, no plug wires, lightweight rods and pistons to reduce shaking forces, and a crank with eight counterweights that was designed to reduce noise, vibration and harshness (NVH) and bearing wear. It didn’t have an A.I.R. pump or an EGR system,

Cylinder Head Disassembly/Reassembly Benches

Just because you

Training: Measuring Up The Machine Shop Talent Pool

Bet you a nickel the first person to say "good help is hard to find" was a machine shop owner. It