Quote:
Originally Posted by geeteeohguy
I have not done a tone of engines, just several. What I have always done with a flat tappet engine is: break in the cam. Immediately dump the oil. Install new oil. Run 500-750 miles. Dump the oil. Install new oil and off you go. I would never run cam break-in oil with all the initial crap in it for 500 miles. No way. Oil is pricey, but not THAT pricey...
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This is what I do. Additionally, I take the inner springs out for break in. No problems after several builds. The cost of oil is CHEAP compared to any engine build. I also used to run low/non detergent oil. Switched that to vr1 conventional and changed the oil just like I would for a cam break in. Peace of mind is worth the cost alone.