I believe the chinese receivers are around 47c to 50c rockwell. And they reharden them up to 52c rockwell.
Back in the 70's my new borgwarner super T-10 4 speed tranny blew 2 times. When i compared the hardness of the gears to the muncie 4spds the muncie gears were much harder. The degree of the Hardness can mean success or complete failure.
Back in the 70's my new borgwarner super T-10 4 speed tranny blew 2 times. When i compared the hardness of the gears to the muncie 4spds the muncie gears were much harder. The degree of the Hardness can mean success or complete failure.
