Are you sure you're at tdc. Pull the number 1 plug and either look in with a flash light or use a prob so you can feel it come up. Turn the crank with a breaker bar until the piston is at the top and the timing mark is at the line. Then double check your distributer alignment.
My pulley had a couple of lines on it so it took me awhile to figure out which one was right.
I attempted to be at TDC a few different times. There are 2 marks on my crank. One is marked white and one is a simple line. I think fiding TDC is what I'm struggling on...honestly I'm not sure. 4.3 in the yota does not leave a lot of room on that side to see where the piston is. Is there a simple way to find TDC? Do the marks on the crank put you at TDC?