Chinese 1.6 steel roller rockers

greymouser7 said

if i have banana groove shafts, are they recommended (for these rockers) or not because of the grooves?
if the banana groove shafts look worn (dark, lines of wear on them) do you think that they are still good?

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I wouldn't suggest using a used shaft with new rockers. and on a side note, if you have the PC shaft, make sure the oil holes are drilled in the right spot, center of rockers. The shafts I got were soft and had most holes drilled under the bearing surface, oiling was poor. I ordered new PRW shafts and fixed the problem.