I suspect not a VRO issue as well. VRO mixes oil with fuel prior to the carbs. if the VRO wasn't functioning correctly that lower clyinder won't look as good as it does compared to the top. Understand the top gets hotter quicker than lower clyinders but that's just too much of a difference for me to believe VRO was the only problem this engine had!
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74 V20 CC with a 150 Johnson (Gone but not forgotten)
89 V20 Cutty with a Tower (Build in process)
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