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Originally Posted by peiserma
I assume the inside plate can be aluminum since it's basically funtioning like a giant washer. Would you think that a 6" or 8" square plate for each of the bolts would serve nearly as well, or would you stick with your recommendation of a giant plate? I think an 18" 6061 aluminum plate 1/4" thick can be had for around $40.
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NOoooo If you use Stainless Steel for one side of the bracket and Aluminum for the other you'll have two dissimilar metals and that will result in galvanic corrosion. Whatever metal you make one side of the bracket from you must make the other side of the bracket from also. Personally I would recommend using 1/2" thick Anodized Aluminum for the bracket since your engine is made of Aluminum also, and you want to keep all metals as close to the same as possible.
Quote:
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Originally Posted by Peiserma
The old motor was bolted to the transom with 4 bolts. OK to bolt bracket to transom using just these four?
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Yes. The original holes will do just fine for the inside part of the bracket.
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1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer
1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer
1996 V21 w/1993 200HP Mercury on a Shoreline Trailer
All towed by a 5.7L Hemi Durango.
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