Ignition timing is easily the single most important tuning adjustment on an internal-combustion engine, yet the concept of ignition curves continues to be elusive for many enthusiasts. All it takes to ...

Maintaining idle stability as cam duration increases mandates progressively more carburetor throttle-blade opening (via the idle mixture screws) to compensate for the reduction in cylinder pressure ...

Your Mustang's distributor performs one heck of a job. It has to deliver a timed spark to each spark plug at precisely the right moment in sync with piston travel and crankshaft, camshaft, and valve ...