The entire body fitting process begins with the front clip. Once it is centered over the front wheels, you can begin to position other pieces. A couple quick references

1. If you tried to shortcut the process and not do your wheel positioning, stop and go back. It is critical. See the link to this post
2. The RCR instructions show a 35mm spacing on the face of the spider to the edge of the spare tire well. Fran told me to take this as a rough estimate and not an required dimension. They’ve learned the wall of the tire well is formed by hand and is not precise enough for an absolute measurement. Mine came in around 33mm.

With the front clip in place, you can then position the rocker panels. There is a RH and LH side and it gets confusing which goes where. Phone calls to RCR had me totally confused, I was told the straight side goes on the front, curved side on the rear. I knew the position of the lower edge of the front of the spider can come in contact with some larger tires. When I put what I thought was the straight side in, it wouldn’t match any of the pictures of what others had done. 

 On a trip to RCR, I took a number of pictures of cars in process and I came to realize we were talking different terms with straight part, curved part. I determined the front of the rocker is the end with the angled cut. The opening angles back about 15 degrees on the front and angles forward about 5 degrees on the rear. Maybe these shots will help clarify this.

As I was writing this article, I found the header image on the RCR site. It clearly shows the difference in the rocker panel end angles. Had I noted this earlier, it sure would have saved a lot of headaches.