anyone know where i can find a chart that tells me the trajectory of a 150 grain winchester 30-30 at 50 yards and 100 yards? thanks

Any reloading manual will have that data.

I use a 30-30 on occasion and if I remember correctly, I sight in 1.5" high at 100 yards. That gives me 0-150 yards and still be in the kill zone.

Remington' s web site lists trajectory, and you can compare different weights and different calibers against each other.
I would guess most ammo manufacturer' s sites do the same.

Yeah, Win., Rem. all of the ammo manufacture sights have the data.

Remingtons website has a program you can download called Remington shoot (it' s free). While it only gives you rems factory loads it will give you an idea and starting point for which to head to the range with. 1.5" high at 100 should put you close to zero at 100 with a 150gr bullet.