While I have the numbers in front of me: my dipstick tube is 5 5/8 inches long from the block, the dipstick is 14 1/4 inches from the tip to the edge of the bell, the ADD mark is 7/8" from the tip, the FULL mark is 1 1/2 inches from the tip. My FULL mark should be 6 1/8 inch below the block end of the tube. The FULL mark on the other 292 mentioned in this thread should be 5 7/8 inches from the block end of the tube.