Hey Jerry, what are your thoughts on the Chevy small block cranks, why did GM increase the diameter of the journals in the late 60's. Just curious if you did any research or instruction on that topic.


1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy