Tick Tick goes the magnum.

Slantsix64 said

so i got 6.890 getting the slack out the rocker arms, Hughes recommends 0.080 preload for the magnum roller lifters 6.975 is what i need.

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I think that's a very accurate recommendation from Hughes. I was not taking into consideration it being a roller. Those profiles normally require more preload than a flat tappet. I think their recommendation will be right on the money.