After sitting a few weeks our 2008 VT 365 took a lot of cranking yesterday to get it started. After a road test I pulled it in and removed the oil drain plug and oil filter and let it sit over night. This morning I thought the drain pan looked fuller than normal but as usual I just refilled it with the 19 quarts as specified in the manual. It started fine this time but after checking for leaks and shutting it down to check the dipstick I had to add another two quarts of oil to get level into the upper half of the operating range.