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 ...

Modern cars wouldn’t be what they are today without Electronic Control Units (ECUs) quietly running the show. Think of them ...

Non-computer controlled vehicles hove distributors that allow you to mechanically alter the amount of ignition-timing advance and the rpm at which the ignition advances. The parts you will be changing ...

Back in the day, electronics referred to transbrakes, delay boxes, and throttle stops. With all due respect to the older crowd, in an era when 3,500-pound door slammers are running 7-second e.t.’s on ...

With the rise of modern engines and hybrid technology, ECU tuning continues to evolve. Software is becoming more advanced, ...

There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...

In a perfect world there would be no need for ignition advance curves. As soon as the piston in your vintage Vette reached top dead center and the engine built maximum compression, you'd be able to ...