I have a 86 T that has been very well cared for and the trans still shifts firm but has 127,000 on it. I need to change fluid and thought I could put a shift kit in while I was at it. Is it worth the time and money with these miles or should I wait till it needs gone through? Id like a cheap shift kit for this if it goes in now. Looked at the Ck and PTS for the best but thought maybe there is something out there for the 100% street driven stock car that would work. Thanks Ive put a trans go in and a T brake so Im not totally clueless.