ORIGINAL: downunder
ORIGINAL: 1QwkSport2.5r
I can't find the picture of it, but I have a Fox airplane engine that ate a wristpin G-clip..
There was an early run of the 40th Anniversary Fox 35 where the circlip groove wasn't machined quite deep enough causing them to pop out. The check for these is to push the wristpin quite hard and if the circlip came loose, get another piston from Fox
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The engine I was talking about is a 1983 Fox .40 series 5 with the small case. Parts aren't available for it anymore. I got lucky and found an RCU member that had a NOS piston and liner for my engine. Regretfully, the clips that came in the piston were not up to snuff. I did finally get the clips to stay in, however I didnt feel that the engine was going to perform to its full potential. With the engine warm, compression bled off very quickly. I suspect that after the rest of the break-in, the idle quality would be poor.
I'm saving this engine to send to Fox using their trade-in program to get a big case Fox .45 or the Eagle IV .60.