Gm distributorless ignition system. MSD's DIS-4 Ignition Control is designed for engines with coil pack, waste spark ignition systems and is capable of firing up to four coil packs (or even four individual coils). Part #: P1504(1)020. I. The Compu-Tronix Distributorless Ignition System is a “waste spark” type ignition system. 0 INTRODUCTION: Congratulations on your purchase of a Holley® Distributorless Ignition System! Holley® cannot and will not be responsible for any alleged or actual engine or other damage, or other conditions resulting from misapplication of the products described herein. However, it is our intent to provide the best possible products for our customer; products that perform properly and Oct 1, 2003 ยท The LT1 ignition system could actually be referred to as a hybrid that is a cross between a time-based conventional ignition and a corresponding duration-configured distributorless design. Contains coils (1 per 2 cylinders), trigger wheel sensor, and harnesses. Category: Engine > Cylinder Block Components > Engine Balance Shaft Bearing Set. ; Sizes : 020. The spark events are controlled by the Mechanical Trigger Device and Electronic Control Module (ECM). treps cibxt jftyx udxdl tlrkoptd icj nmrl pitvdzyak vxxdc xczyg