After washing all the artificial baits..... The ranger says need worms from shore/dock. Artificial only works in the deep channel...... So have a fire and a cocktail
OEM could be VeeThree (old teleflex line, also sold under Sierra name, VDO, Faria or others.
The current gauges may just need the ground buss connections cleaned
There are no parts available for the king cobra. Buy it assuming it's a project and if you have to do drive work, plan on potentially replacing everything but the block and heads
If your goal is handling on the water, the larger center log is done to get the boat to turn more like a V-hull if you talk to the OEMs
If your goal is to sit on the beach, I don't know what to say
generally, the center toon is same diameter or larger. I have never seen one smaller.
My thoughts are if the OEM's didnt do it, then its not a good idea. however I can only offer what I observed personally.