For car enthusiasts and performance seekers, optimizing engine response is a thrilling endeavor. Ignition systems play a pivotal role in enhancing this aspect by delivering precise sparks that ignite ...

Automobile ignition systems have never been more reliable, but when not, how does one troubleshoot? and is it really an ignition issue? This simple test setup costs only about $1 and may easily be ...

An ignition coil is a vital component of a vehicle's ignition system. It is responsible for converting the low voltage from the battery into the high voltage needed to produce sparks at the spark ...

"Jacobs Ignitions produce more dyno power, torque and street mpg than we ever tested before. " In all my years of dyno testing engines, it's not often I'm surprised by a product that noticeably ...

Ignition system technology has taken a number of twists and turns over the past 50 years. Matthew Beecham talks with experts from Delphi and Denso about the latest developments both on the OE and ...

Editor's Note: Way back in March of 1998, GMHTP ran "Opti-Spark" by Ray Bohacz, an engineering-level dissection of GM's Opti-Spark distributor. This evolutionary ignition component was a bridge ...

How many times have you asked yourself, “I wonder if I can squeeze a few more horsepower from my enduring, yet horsepower-challenged engine?” To tell you the truth, there are lots of ways, but the ...

Ignition system technology has taken a number of twists and turns over the past fifty years. Matthew Beecham reports on some technical trends in the OE and aftermarket. “In the past, the sole purpose ...

Accel's single-point "blueprint" distributor is physically similar in appearance and layout to the traditional GM small-cap points-type distributor. The greater the points' closure time (dwell), the ...

The intermittent stalling problem was solved by replacing the distributor. This is the sequel to troubleshooting my ‘86 Dodge Aries that defied logic and baffled my mechanic. To be sure, electronic ...