You can flip a lifter upside down, but you're not gettin it. All you can see is not wanting to spend money. Just line it up dot to dot and be done with it. Even flipping a lifter upside down, THERE'S NO WAY you can get the dial indicator exactly centered and straight enough to get an accurate reading. I've tried it. Unless you have "something" that centers off the lifter bore, just line the dots up and be did wif it, yo. lol