My blazer is having all sorts of trouble and it never seems to end... I put an np205 in behind my th350 a couple months ago and its barely been driven since. today i went out and messed with it some and drove it down the gravel some. Will not disengage out of 4hi. I put it in 2hi and front still spins(i have no front shaft at the time) so i grabbed a good size stick and stuck it through my floor hole and it snapped quickly. If i can get the engine running right and make sure my tranny is still good(i cant keep a tranny for the life of me) i will be ordering a twinstick to end the guess work of the shifter and use of front only. Any ideas??