Originally Posted by RickO:
You should change to title to "problem solved" or "easy fix". Alot of folks have been trying different modifications to correct this problem, they'll be disgusted to know the could have just 180ed the trucks and dropped them out of the chassis, switched and reinstalled. You may even want to let Lionels service dept, know of your discovery.
This fix would not have worked for my GP-30 as the front and rear trucks were identical in every way. I just tried it to see how it would turn out. However, I greatly hope that this works for the vast majority of owners of the GP-30.