Could also be that you never considered how rich Brutus was before, and now that he's burning cleaner he is really putting it to the ground.
There's also the factor of cold rubber being much stiffer.
If you're saying that the truck will spin tires, consider that may be more power, or it may be less traction.
17F is 'Tuesday' here.
I hope a whole lot of people don't end up with frozen pipes down there.
Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.