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That's right.Originally Posted by jimfish
BRM
We only sell the Best. Ranger, Xpress, Yamaha, Suzuki, Tohatsu.
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"Galvanic corrosion. Over time the aluminum will corrode."
Drill the 1/4" holes to 3/8", use nylon stove bolts and nuts. Epoxy around the inside of the head then a layer over the head after tightened.
Some of the bolts on my son's tractor are oddball sizes. Some nylon bolts are closer to the thread size and are working great.
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I went back with stainless panhead bolts and put silicone under the head. Did just fine and doesnt leak. As far as the corrosion it must take a long time. My big Express boat has had them in it for 25 years and I havent seen any sign of corrosion. Then again this little 10 ft. boat's aluminum is paper thin also, ha.
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Maybe it a dry corrosion. These security doors with a mix of steel and aluminum parts with steel screws/bolts are the ones I changed a few of. You want to change out the style of a door and end up having to buy a new door because of a big hole where a little screw goes. Seems like it's the steel that has the corrosion problem most of the time.
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