Thanks bro but I thought it was a roller cam with a roller kit, but after looking at the cam card I see tappet. It does have the roller rockers and lifters. I'm not gonna play with it, and just go ahead and put in a better system. I did not know I would run into this issue, but it's no problem, I just want a strong built Olds, to pass down in my family. It will be one of my legacies for my family. I just hope the family appreciates it as much as I do. It's also a dedication build to my wife's nephew that passed away in 2022.It 227/241 duration Comp Cams Thumper hydraulic flat tappet, I believe. Probably the tight LSA is hurting idle quality and vacuum.
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