I'm sure you have a wealth of knowledge built up over the years Jim
LOL well I wouldn't use the word "wealth" LOL
After hearing a few engines unload an experienced person should have an idea of how a jump from 10k to 11k would sound on their engine.
I'm not looking for new arguments to have with someone.
no arguing, my ears are not that good these days, that's why I replied with the "LOL", that's all,
Jim