Specific coilpacks / coil on plugs / COPs: Using the 4 unique coils from possibly a 1ZZ-FE or either from the NZ collection engines this negates the need for any igniter(s), spark plug leads, distributor cap and a rotor button. davew7 wrote:Killer job within the engine and it appears to https://toyota4age50370.tkzblog.com/31212595/4age-20v-blacktop-fundamentals-explained