1. Seaneezy

    Precision Raceworks spark plug wire scare

    Pulling out my 5th cyl spark plug to replace after misfires. Pulled off the PR coil harness and the corresponding spark plug wire. Stick my spark plug wrench in the hole and out comes an insane amount of spark that shot out of the plug channel, luckily I was off to the side and was grounded...
  2. Ztuck45

    Precision Raceworks coil failure?

    I’m looking for some insight. I recently developed a cylinder 6 and 5 misfire. Cylinder 6 was intermittent under load and cylinder 5 started misfiring intermittently as well but eventually became a constant misfire (Even at idle). I just started running full e85 after installing a double shotgun...
  3. JAperformance

    N54 Coil Tuning Discussion

    Now that both ignition system upgraded have released it will be nice to gather and discuss all of the information possible. For example Plugs, gap, dwell, fuel, psi everyone is running and what has improved after ignition upgrade. I myself will be running PR Coils, PS2 High Flow @30psi with NGK...