5x4 3/4
NO
no you can't
5x5
6 on 5.5
6 x 139
6 lug same as Nissan,Toyota
Every Chevy half ton ive seen 88 to 2010 has the 6 lug
Yes it had 4 lug tires that it borrowed from the Ford Falcon
5 x 120mm or 4.75"
It is a 5" lug pattern. I looked it up on some classic Chevy website. I can't think of the URL for it at this moment though.
It depends on how old the el camino is. If it is one of the later generations it is going to be a 19mm. This is the most popular lug size.
Its the same as the old Ford trucks.