Webin: Ign timing on a mcm228 v8 Troubleshooting: Thunderbolt Ignition Systems Edit Tests for TB ignition: W/ignition key on AND BILGE WELL VENTILATED OF GAS FUMES!!! Connect your voltmeter neg. lead to the engine ground and pos. lead to the white/red wire terminal at the dist. It should read 12 volts. Web27 jul. 2008 · Timing and Idle Adjustment Procedures For Thunderbolt V Ignition Setting Base Ignition Timing 1. Connect timing light to number 1 spark plug. Connect timing …

Part 1 - Mercruiser Thunderbolt Ignition? - $367 Easy Upgrade

WebThunderbolt 5 timing advance problem I have a '98 Mercruiser 5.0 with thunderbolt 5 ignition and the boat has slow acceleration. I am convinced that this is being caused by too little timing advance. I am only getting about 10 degrees advance at 2500 RPM and that takes about 45 seconds to get there. It appears to be stuck in base timing mode. WebIn this video I show how to upgrade a Mercruiser Thunderbolt IV ignition system to a new Delco EST ignition. This upgrade is simpler than a Thunderbolt V upg... geocentric office chair

Thunderbolt 5 timing advance problem I have a 98 Mercruiser

Web2 sep. 2014 · Ignition Timing Thunderbolt V Models 1. Connect timing light to number 1 spark plug wire. 2. Connect a shop tachometer to the engine. IMPORTANT: Before starting the engine, connect a jumper wire from the igniton timing lead to a good ground. This has to be done before the ignition key is turned ON to lock the igniton module into Base … WebThis video is Part 1 in a series where I am going to completely explain how to convert your ignition system from the obsolete Mercruiser Thunderbolt system to a Delco EST … WebRemove timing light, jumper wire and shop tachometer.IMPORTANT: Timing jumper wire has to be removed or the Ignition Module will staylocked in the Base Timing Mode … chris jeffrey buv