The bevel box is just noisy, the Centa is the thing you want to baby. Use your finger and wipe inside the bellhousing hole looking for anythother than dust.
what kind of longevity are we looking at for these inserts? I don't hot rod the little car but I don't baby it either. Never been much on burn outs but don't mind banging through the gears every now and then. But seriously, it will be basic driving with an occasional wild hair
