Also, for safety take the carburetor off and remove the gas tank and fuel line. full blast with the torch or for more than 10 minutes) excessive heat in one area can warp the block and exhaust port area. One thing I should mention, don't heat the area to much or for to long (i.e. ![]() If it doesn't come out easily let it heat up a little more. Why add a chemical glue to the mix, that you then have to heat up to release it. ![]() The whole point of useing anti seize is to keep the corrosion from locking up the bolt. A few seconds with the blue wrench, and the loctite is gone. While heating try backing the bolt out slowly. Muffler bolts seize up from corrosion, and loctite keeps corrosion out. ![]() Use a torch on very low heat or a MAP gas torch to carefully heat the area where the bolts go into the block. If the bolt or screww looks intact ( I believe you said it had a phillips head) use a #3 phillips headed screwdriver, or if the head is stripped use an appropriate pair of vise grips. 90% of the time the bolt or screw will rust away at the area that sits inside the muffler creating a thin spot in the bolt. Get a good penetrating oil like "ZEP45" or "breakaway" also if you can find it "Kroil" works wonders. ![]() Once you have the muffler removed use a wire brush and thorough clean around the area where the bolt or screw goes into the block. First if you can, cut the muffler away from around the bolts. If you want to get the bolts out without snapping them be sure to have patience and take your time. I'm assuming that your Tecumseh is either 6 or 7hp from the vintage you described.
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