Originally Posted By moparmitch
T&Ds having push rods popping out of the cups...Why is this?

I know of a couple of racers having the same issues with 440-1s with single/common shaft T&Ds.





Probably improperly valve lash setting. With a cup you can get away with it but to much lash with a ball ball pushrod will bite you in the butt.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.38@138.67


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