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

There's no shortage of opinions in this hobby, and they are usually founded on nothing more than an individual's personal experience. The theory of what makes an engine run is hardly ever applied.

I have a 1982 El Camino. Two years ago, because it didn't pass the California smog test, I had to take it to a designated repair shop. As part of the repair, the tech told me: "Some fool set the ...

Welcome back for Part 2 of tune-up tips for your older Corvette. Last time we talked about tricks of the trade when setting points. This month we will talk about setting ignition timing. The most ...

You just put your new crate engine together and your adrenaline is pumping. Pump the throttle, turn the key, and… the thing runs like a total dog. It idles fine, but as soon as you step on the ...

SAE International Journal of Engines, Vol. 14, No. 3 (2021), pp. 335-344 (10 pages) The addition of a spark plug in place of the original fuel injector and fumigating natural gas (NG) inside the ...

Q:I have a 1992 Chevy 1500 two-wheel-drive pickup with the 5.7L V-8 and an automatic. It idles rough, gets poor gas mileage, and pings. I have to use at least 93 octane to stop the ping. It's not the ...

The spark plug ignites the compressed fuel-air mixture in the cylinder. The spark timing can be varied using the mechanical timing arm on the engine. The high voltage for the spark is provided by the ...

ABSTRACT Recently, a tendency is consolidating to produce low displacement turbocharged spark-ignition engines. This design philosophy, known as “engine downsizing”, allows to reduce mechanical and ...

I have a 1982 El Camino. Two years ago, because it didn’t pass the California smog test, I had to take it to a designated repair shop. As part of the repair, the tech told me: “Some fool set the ...