Highest rpm on transmission inputshaft

I am considering creating my own billet gear casings to run twin hayabusa gearboxes in a 4 wheel drive land speed car and was wondering if anyone knows what the input rpm limit is on these transmissions. Thanks for any input.
I know the reduction is 1.596:1 from crank to input but I want to know if anyone has had input shaft bearing failures based on rpm. I have heard of people running these engines up to 13000rpm with the right bottom end and valve train components which puts the input shaft speed at around 8150. I intend on driving straight into these transmissions with my engines so I was wondering if there is a ceiling on rpm that anyone has seen for the transmission. I will be running a .96:1 6th gear so the output will be just over the input shaft speed. I would love to be able to drive into these things up to 9000rpm but I just don't know if that is possible or not. This is kind of off the wall and maybe none really knows the answer. Thanks for the reply.

Similar threads

Most likes - Past 7 days

Latest Bikes

Forum statistics

Latest member