I have a 71 chevelle it had a big big in it at first. The guy i bought it from put a small block in it do you thin i have to change the suspention.

You don't have to do anything. But if you want your front end to drop back down below the rear or straight on, i would. Its up to you.

Originally posted by gUmBaLL68Malibu:
You don't have to do anything. But if you want your front end to drop back down below the rear or straight on, i would. Its up to you. Actually, if they are original springs...they are plenty broken in and a small block should press them down fine.