I have a full roof rack in great condition and the black strips available. I wasn't planning on keeping those black stips Iso wasn't as careful removing it. I'm very close to 91790 so shipping wouldn't be necessary.
A lot of us here use M1 75/90 in both diff's and transfer case. Make sure you turn on the rear heater when you burp the cooling system. Change the heater t's while your at it. There is a very specific way to adjust the brake fluid level and transmission fluid level.
Welcome to mud! Not sure if Amsoil makes a WS equivalent fluid but for the long service interval you might want to consider using the OEM Toyota transmission fluid. These 100's are sensitive to transmission fluid level. Make sure it's filled to the right level using the FSM steps. My 2001 LX...
You'll know when a manifold is leaking. If your car makes a tick, tick, tick, tick sound coming from the manifolds when you turn it on. Most of us leave it alone if the ticking sound goes away when the car is warmed up.