Valvegear geometry is correct . Pushrods are 7.500. in. The springs are recommended by camcard . oil is 10-30 weight . Rockers are adjustable so preload is 1/4 turn from zero . Yes 402 lbs,/in. is a lot . My theory is that the lifters bleed out the through the pushrods since these rockers can be used on magnum engines that oil through rods. I`ve got J heads and they are oiled through rockershafts/heads . I just can`tsee how the lifters can bleed out so fast otherwise.
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