RE: Glow plug eater!
maybeits just me but it sounds like you engine is running way hot i mean 247!!! according to "the ultimate nitro engine guide it should ever get above 212!!!!
if it does you do some major damage to the engine. the perfect temperature is supposed to be between 200-212!!!
your temps might just be running way high which is causing all the plug probs. see if you can get it down to about 200-212 and see if that works.
hope this helps!!!