Spindle fatigue?

[ALZR1]

Originally Posted by LancePearson

Al, whatever was done on my 76 was done by previous owners which is unknown to me. It isn't raw power at 210 hp but something else in past use habits. My 91 Z if a side yoke spindle breaks would probably be at the shoulder though it isn't one of your 5-600 hp versions, closer to stock. Gold is right...it ain't all engine when you start with these horse powers.

I also assume that broken side yoke in the photo was factory OEM equipment and design factors were substantially less than what any of our Z's would need...at least I hope so.

If they break at the shoulder is that a "joined" area where welding attached the shaft to the yoke type fitting?

I'd love to have access to the suppliers who make these various things in more detail, especially with design specifications.

not at all it's A one piece deal.it's just small in diameter it measures 1.240"
just under 1.250", the ones I have now measure 1.450" or 1.460" at the shoulder,33 splines and are made out of much better material.

AL.