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3OL Engine

don73

New member
"Hello, I have a 1990 boat wit

"Hello, I have a 1990 boat with a Mercruiser 3.OL system. It has a 4 cylinder engine. Can some one tell me if all of these engines were General Motors, or did they use others as well? I am trying to install a Sierra Electronic ignition kit in my distributor,and having a problem. Every thing fits,but my original rotor. The manetic ring in the kit will not go down far enough to allow the rotor to seat. That's why i thought that Engines might be different! Thanks, Don"
 
They are all the same. I have

They are all the same. I have in the past had fitment trouble with aftermarket ignition kit for boats. Not what you describe but it is not uncommon.
 
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