Man I must be buying the wrong 360 blocks because on the last two blocks I've used with Comp 829 roller lifters I have had lots of grinding to get them in. And I'm not talking polishing rolls, carbide burrs

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1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time