RX8 LS2 Ignition

  • Installing LS2 Ignition System

    It is common knowledge that the OEM ignition coils on the RX8 have a very short shelf life and are supposed to be replaced between 25k to 30k miles to keep them performing at their optimal levels. Neglecting the coils can lead to many issues like misfires, decreased performance, and even engine failure or catalytic converter failure. This DIY removes the OEM coil packs from a 2010 RX8, and replaces them with an LS2 ignition system. Although there are a few companies that make this kit ready for purchase, I decided to fabricate the system myself in order to save money. This DIY will show you my fabrication of the coil bracket, as well as the spark plug wires and installation of the coils.

  • Requirements

    Before we get started, there are a few things that are needed:

    • A set of 4 LS2 (D585) coilpacks, http://www.amazon.com/ACDelco-D585-Ignition-Coil/dp/B000BYD3Y0
    • 12' of MSD ignition wire, http://www.summitracing.com/parts/MSD-34039/
    • 90 degree Spark Plug Boots, http://www.summitracing.com/parts/TAY-46061/
    • 45 degree Coil Boots, http://www.summitracing.com/parts/TAY-46069/
    • Spark Plug Crimping Tool, http://www.summitracing.com/parts/TAY-43390/
    • RX8 to LS2 Wiring Harness, http://myworld.ebay.com/autowiringsolutions_aws/?_trksid=p4340.l2559
    • OEM Rx8 Coil Bracket, http://www.mazdapartswholesale.com/OEMParts/mazda-136/N/N3R118105.html
    • A Sheet of Aluminum (Local Hardware Store)
    • 2 Threaded Dowels (Local Hardware Store)

  • Mockup

    The goal was to replicate the OEM type mounting of the coils to prevent any type of complications when it comes to installation. Here I mockup the coils with the OEM bracket. To couple all of the coils together I used a screw dowel and a few nuts. This keeps all of the coils nice and secure together.