I bought the Butlers' Johnson lifters and when ordering the cam basically said its a 50/50 shot making it past break in and another crap shoot getting the 500 mile mark. I just opened up the 400 I took out, been running this engine 20 years, bottom end getting real tired, but the cam in it is a Crane 878 with whatever lifters and it looks great. Fingers crossed when I get to the break in process. Thanks for the replies.
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