Not Ranked
I agree with Kieth on disliking the procedure some people use setting half the valves, then the other half--it leaves too many variables for a mistake.
I always use the firing order, but I am very careful to be exactly on the mark--I have set valves this way for 40 years an everything from farm tractors , dump trucks to top fuelers, funny cars and pro stockers---I have never ,NEVER seen a cam grind so radical that the lifter wasn't on the base circle at top center---
A trick for hydraulic lifters in the early days was to adjust while engine running and back off the adjusters until the valves clicked and then just tighten enough for the clicking to stop--this extended the rpm range before lifter pump-up prior to the modern lifter era.
Jerry
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