ORIGINAL: t-max97
That's what I was looking for, thanks for all the help guys. And 20 years on a glow engine!!!! WOW on a truck engine you normally get about 5 gallons before its toast. After hearing all that I may try nitro again but with a plane.
I have a 1983 O.S. 120FS (Before Surpass) The one that looks like a Saito? I've only had to replace the glow plug, tappets or valve adjusters because the allen head started to get worn. And last but not least, I made some shims out of brass washers. Originally they had teflon washers as shims on the rocker arms, but they wore out. So I got with a guy who restores classic glow engines and he showed me how to machine impossible to find parts by hand.
I just put on a 91FS Surpass muffler on it now and it even runs better. Last year I had to replace the carb but other than that the engine runs like it is new, and she looks good. Compression is excellent, I slapped it in a .90 Extra 260 last year and she had a lot of power. Even after my crash, she looks new and has no damage. I plan on putting it in another WWI bird. Rubber O-rings are still holding up after all those years and still I have no leaks.
Pete