Help please!! 1st BL experience going south

[sapper_triple6]

I was running my e-maxx last night for only the 2nd time and I was having bad cogging problems. Then after about approx. 5min smoke shot out from under the body so I immediately shut down. I was running a 9xl on 16 elite 3600 cells with a 16tooth pinion, strobe slipper, and hb diffs. after everything cooled down I plugged it back in and ran it on my stand and it still seems to work. Motor temps got extremely high, about 290f. The first time I mounted the motor the stock titan screws were toolong and I put them in a little far. Could I have damaged somethng then and it is now causing me all the problems?