Bad tire question

I recently got some falken at3's in 265/75/16 on ray 10's put on my new (500 miles) truck. Truck was straight as an arrow prior and now pulls to the right. Before I go spend $90 on an alignment is there an easy way to see if it is a bad tire and not the alignment? Can't see the alignment going that far off with just a slight step up in tire size.

 

Swap tires left to right. If pull switches with the tire then it's a tire problem.

Pulling to the right could just be road crown also. With only 500 miles, it's possible it was doing it before the tires and you just never noticed.

 

I have had all 4 tires bad one time on my tundra. It does happen, find a good tire center and have them checked.

 

Rotate your tires. See if it pulls the other direction or put them in the back and see if it goes away.

Thats what I had to do.

 

Thanks. I will swap it with the rear and see what happens.