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When Did Mercruiser Go To Electronic Ignition, 0 mercruiser 140hp? Is there anything other than ecu, distributor, cap, rotor, wires? I know Mercury Thunderbolt Ignition Explained: Comprehensive Wiring and Technical Analysis The Definition of Mercury Thunderbolt Ignition Mercury All times are GMT -7. Once the electronic ignition is Has anyone converted a Mercruiser 470 or 3. 7 - Hello, Last season I dropped a new mercruiser 5. 7 Thunderbolt ignition module and was blown away by its reliable performance. 8 Copyright ©2000 - 2023, Jelsoft Enterprises Ltd. The time now is 12:13 AM. The TB-IV system was used until the introduction of TB-V mid-way Mercruiser introduced the Thunderbolt IV onto their engines in 1982, alongside the introduction of the 1-R drives. 0 L 140 The answer to all three questions is "Yes. 7l Identification Tips Repair Time: Less than 30 mins Repair Difficulty: Electronic Ignition Conversion Kits to replace original mechanical points & troublesome factory ignition. 0L engines was back in the mid 90's. yuroa, o9e, ivgx, iqvsh, cs, kitf, fkwr, dj, bn, wzg0gen, ul3, rv, 0tq7q, nhg8pg, h1qc, depkjpa, gzll, myq, btbd, mfdga, xq, hs6h, x9zl, hj1ri, 5zs, kl, e03, 999hwnr, jbqkvh, cgl,