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There could be another way to get oil into the most critical area by changing it and after removing the valve cover pour the last quart in over the head. This is for a used engine of course and I would not recommend it for a new unfired engine. Priming is the best way for that. But on a used engine you may not get any or enough oil thru the galleries to really help that much. By directly pouring in at the head it will at least run in around the rockers and valve stems and to the lifter area. If there is any damage on a used engine due to oiling priming isn't likely to help much anyway. Then you can turn it over with more confidence. I've used this method over the years without problems. When I did my apprentice mechanic training there was never a mention of priming even on a new rebuild. Right or wrong it all seems to have come up in the last few years as a result of changes in the oil we now have.