trouble with glow plugs

[nsport11]

i have had to replace my glow plugs twice on ran it two or three times on each one can someone help me figure out what the prob is

 

[bishiman]

Try reading this article and see if this helps. It gives you the type of plug you should use for different size motor and percent of nitro fuel.
http://www.rc-truckncar-tuning.com/rc-glow-plug.html

 

[nsport11]

ok thanks man