Actual hard numbers such as specific fuel flows, distances and sector times for the various CFM56-7B subtypes would most probably be proprietry data held by airlines.
Search through the Civil Aviation forum, as there have been many threads revolving around the in-depth analysis of various aircraft / engine / route combinations. Your best bet for the 737 would be to search specifically for 737MAX or A320NEO threads. If you find a 737NG thread, I'm sure you could reverse calculate a set of numbers that are reasonably close to the actual quantities you want.
JetMech split the back of his pants. He can feel the wind in his hair .
This gives the fuel burn figures for uninstalled engines (ie test stand config, you should add about 3% for installation losses) for flying around an airport, thus not cruise data unfourtunately. For cruise TSFC and thrust this web site is the best I have found, most of the data is reliable: