Engine machinist recommendations for master rebuild kit

Erson got consumed:Catalog Downloads - Prod - AQH64P6DPH7Q9T45_PRD

The only one I have run was a TQ 30 hydraulic in my 340. After a year and a half I pulled that bump stick out and threw it in the trash...In went the Isky!

The hydraulic lobe rate of rise was comparable to a Melling...
Do you think it had more to do with the cam not being compatible very with your other parts? Or the grind was just not good for your application?