There is probably not a single reader of this magazine who does not want his or her Pontiac's engine to perform to its best ability regardless of its number of cylinders or cubic inches. To reach that ...
The Advance CurveAll engines require an ignition curve based both on the requirements of engine rpm and cylinder filling (volumetric efficiency). This means that at 3,000 rpm with the throttle open ...
The direct injection diesel engine is one of the most efficient thermal engines known to man. For this reason DI diesel engines are widely used for heavy-duty applications and especially for the ...
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 ...
Older vehicles with distributor-based ignition systems need their timing checked on a regular basis, otherwise you can have a host of problems. Starting becomes difficult, idling will be rough, ...
Q: I have a 1986 Honda Civic Si hatchback that I have personally cared for and maintained over the years. Since it was due for a smog inspection this year I bought new plugs which I gapped to specs, ...
Timing belt failure strikes without warning. It hides under a closed engine cover, collecting stress until one day the engine ...
Some very valuable tuning tools are greatly misunderstood. Take the lowly vacuum advance canister. Many enthusiasts dismiss this device as superfluous—or worse—only for emission-controlled engines.
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