So my gearbox is with Poy Elloff for new second gear synchro and the synchro hub. I have asked him to install a bolt kit to take care of the weakpoint. seals and oil will also be replaced.
What HP/Torque will thse boxes handle with the bolt kit before breaking again?
Currently making 150hp at KAR and I intend to go higher very soon. (closer to 170hp).
If i go cable shift how much will these boxes handle and what are their weak points?
Thanks for looking!

