Thread: Hi Tech Gap Filler

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I have used JB weld for stuff like this . first thing to remember , JB weld or anything else for that matter loves to run down hill, get the quick set. I used some alum. tape to make the sides of the gap you are trying to fill. You can pull the tape off a little, then fill and restick the tape. This way will leave perfect clean sides once done. I also put the JB weld in a little baggy and cut the tip to "inject" it between the two. Tape everything, even pull the mirror off and tape the 2 surfaces . This way you will have a made shim that will not be stuck to either, unless you want it to be stuck to one side. I have not tried the other stuff.
Or do as ALLEN said use a aluminum shim then polish it up.