Here's what I did... Someone else tried it and liked it and posted to Wikia..

http://www.marine-engines.wikia.com/wiki/Fierro%27s_in-hull_guide


I have a picture avail if anyone is interested... This will be my 4th season... no problems. It's a Humminbird Matrix Dual beam.
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Capt Bob
1969 Chris Craft 23 ft Lancer "Retriever"
260HP 5.7L MERC w/Volvo outdrive
Atlantic Salt Water Flyrodders, Seaside Park, NJ