[quote=lawrencer2003]The bolt in the cross bar keeps the bar from rotating and moving as you suspected. The other bolt should keep that from happening. the fitting the bolt slides into is called a moon washer.
I did a similar thing last summer on my 91 5.8. I stripped the inner and simply epoxied it in place. I also stripped and had to retap(one size up) one of the strap bolts. My dealer told me to never ever toque these down as all they are tapped into is a thin aluminum plate. Be very careful! You only need to hand tighten. They are designed to shear away before the hull gets damaged if the boat is subjected to violent twisting. Your idea will work.
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