Welp ! Finally caught a break in the clouds this afternoon here in rainy East Tennessee. Took the moody red head out and blasted up and down the Interstate a couple runs.
Woohoo, I think I finally got it. She ran like a scalded dog!
I suppose it was carbon build up on the slides or the snorkel or a combination of both, anyway I'm happy, she's happy and I'm heading to Georgia Wednesday with my redhead

Thanks to all for the advice.