Tired of fighting with Thunderbolt ignition on 91 MerCruiser 5.0 Would like to know how a HEI dist. would work? What would I have to do about the vacuume advance?
Won't, it's not marine rated or ignition protected. Marine HEI's exist but I do not know as they are real marine parts as they come from no major manufactures.. Delco Voyager EST would be a good option if you wish to replace
Tired of fighting with Thunderbolt ignition on 91 MerCruiser 5.0 Would like to know how a HEI dist. would work? What would I have to do about the vacuume advance?
Tired of fighting with Thunderbolt ignition on 91 MerCruiser 5.0 Would like to know how a HEI dist. would work? What would I have to do about the vacuume advance?
The Merc Thunderbolt IV system is recognised as one of the best for marine engines, if not the best. You're having problems with the sensor in the distributor if I recall correctly. Did you check all you main power connection leads, positive AND negative, for clean and tight? Also did you run the troubleshooting flowchart after the second sensor failed?
My son was getting to go through the torubleshooting guide on the second sensor and found a bad connection. Problem solved!!! Thanks for the help. It is really a pain to get towed off the lake two times.
My son was getting to go through the torubleshooting guide on the second sensor and found a bad connection. Problem solved!!! Thanks for the help. It is really a pain to get towed off the lake two times.
