I'm curious as to what a good upgrade for my tranny is. I'm going to be getting it tuned in the upcoming months and doing some engine mods, nothing major yet. I'm planning on doing some pulling next summer and trying to compete in our street class that we have. The truck now has 331,000 miles on it and I have no info on if the trans has been worked on ever or not. What do I need to do to keep it going and still be able to drive it on the street? And is the batmowheel worth the effort to put in? Will it gain me much for pulling? Thanks in advance!