steering problems

[240sxballer]

my car works fine its just that at higher speeds, i have to turn left ALOT to make it actually turn left but when turning right i barely have to turn it. i dont know why, when driving in a straight line i have to turn the wheel slightly left to keep it straight or else it'll pull right. i know that if i reach the speed of 45 mph my wheel shakes but once i get to 50 it stops, if i stay at 45 it keeps shakin. would an alignment fix this because i know it pulls right? i dont know im open to anything anyone has to say thanks!

[adrianfromthecastle]

yeah, you definitely need a wheel alignment, and while your at it, get a wheel balance too, that might be the cause of your steering wheel shake at 45mph