"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 ...

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 ...

I have a 12 year-old Subaru that still gets 28mpg average. I need this thing last year. With the 225k miles I have on the car, I would worry about the increased temps on the cyl heads, but at $5.00 a ...