Yes, my uncle learned real quick in a old beretta we were screwing with. He kept doing one wheel peels and KABANG! the diffrential busted the case. Not very fun, in other words wake, it doesn't matter how new the trans is, it will still give out if abused.

Replacing the timing set on a higher mileage motor will restore some low end torque. Chain stretches and causes valve timing to be slightly retarded