OMC 4.3 v6 1989 cobra Electronic?

rodbolt

Supreme Mariner
Joined
Sep 1, 2003
Messages
20,066
Re: OMC 4.3 v6 1989 cobra Electronic?

first choice for electronic conversion would be the Delco EST set up wired like the merc alphas, dry coil and no movable advance weights.
second choice would be the prestolite BID system, draw back is an oil filled coil and a mechanical advance system.
nice thing about the EST is the kits are cheap, if you want used most EFI merc and volvos used it and you will only need the correct module for a carbed motor to insure correct advance.
whatever you use the distributor body MUST be marine rated,automotive versions are not vented correctly. after that the correct module needs to be used and ign advance verified, after that pick-up coil, cap,rotor,coil and wires are the same part numbers as the local auto parts store.
reliability and service part avalibility is why I like the EST, that and its incredibly simple.
 

Lou C

Supreme Mariner
Joined
Nov 10, 2002
Messages
13,082
Re: OMC 4.3 v6 1989 cobra Electronic?

Well guys I am old enough to remember when all our CARS had points n condenser, you just changed them once a year and you were usually fine, yes it's not the best system for efficiency and smoothness of running but of all the cars I had with points, only one of them broke down due to ignition failure (1965 VW Beetle). When we got our first car with electronic (1975 Olds Delta 88 350) it was great to not have to climb on top of the engine to change points, I did have to change the module in that one a few times, and on other GM products as well. I liked the old style Delco distributor with the metal window to adjust the points with the moto running, of course that would never be used in a boat though!

Just maintain the points, because if the shift interrupt doesn't work right you will have shifting problems with any dog clutch drive be it Merc or OMC.
 
Top