[2.2 Straight six]

do you think maybe it's taken more after the overhaul because before it had 1 quart of oil in the lifter valley and other engine parts, now come the time to re-fill it after the overhaul you need to put in 6 quarts because you need to fill those other galleries?

so usually you'd fill it with 5 quarts and 1 quart would still sit in certain parts, but since it's "dry" from the overhaul it's taking more oil.