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Aluminum bolts on transom?
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<blockquote data-quote="WVfishnfool" data-source="post: 357142" data-attributes="member: 10364"><p>Take a pocket knife and if you can shave off a piece of the bolt easily it's aluminum if not it's SS. Cannot imagine them using aluminum bolts to hold an outboard on with do to stretch. That's why they use fine thread SS bolts because the coarse thread bolts stretch under pressure. I just about found that out the hard way. My 225 hp Merc was about ready to come off the jack plate on my Ranger I used to have. I would replace them with SS fine thread bolts of the proper diameter, with SS washers and brass nyloc nuts or better yet make the dealer do it before you buy the boat. Or make them explain why aluminum bolts and ask if they'll give a written guarantee on how long they'll last.</p></blockquote><p></p>
[QUOTE="WVfishnfool, post: 357142, member: 10364"] Take a pocket knife and if you can shave off a piece of the bolt easily it's aluminum if not it's SS. Cannot imagine them using aluminum bolts to hold an outboard on with do to stretch. That's why they use fine thread SS bolts because the coarse thread bolts stretch under pressure. I just about found that out the hard way. My 225 hp Merc was about ready to come off the jack plate on my Ranger I used to have. I would replace them with SS fine thread bolts of the proper diameter, with SS washers and brass nyloc nuts or better yet make the dealer do it before you buy the boat. Or make them explain why aluminum bolts and ask if they'll give a written guarantee on how long they'll last. [/QUOTE]
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Aluminum bolts on transom?
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