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Old 07-09-2016, 03:44 AM
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gregoryshock
 
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Originally Posted by Clay Walters
Its when I've either switched or replaced engines with something different that I have done it. Remove old engine. Remove engine mount screws approximately halfway out. Tap on screw heads with hammer and drift punch (wood dowel) to knock the inside t-nuts loose. It may be necessary to relocate or remove the fuel tank to avoid injury to the tank. Once t-nuts are loosened, remove engine mount screws, engine mount, and fuel tank. Filll the mounting holes with the size larger hardwood dowel you can find. Re-drill hole to match .Use a strong two part epoxy and make the dowel length the same as the firewall thickness.

Start engine orientation and mounting process over.

Good luck!
Everything you just mentioned is easy to do. But how do you put in new blind nuts when your hand can't reach in behind the firewall? *I got more than one plane that is like that. What if you got to cut the firewall completely off the airplane and then start over?