Recently my 1st gear would be getting stuck.it only happens sometimes.i bring it up to 3k and it won't come out even with clutch in.i decel and then it comes out.everythng shifts fine and all other gears are good.it has a stage 3 clutch was recently rebuilt.any ideas?new tranny?

 

Might get better feedback in the trans section. Moved in hopes of better response.