I replaced a header gasket on one side of my Roush 427. It was relatively easy on the passenger side, but I can only get one bolt loose on the drivers side. The main issue is that the bolts virtually touch the header pipes on both sides. There's no room for a box end, and an open end just tweaks the bolt.
Their is plenty of room from the top but I'm afraid I'm going to screw up the head of the bolts if I keep going the direction I'm going now.
Any tricks would be helpful.....Here's a photo of how close the bolts are to the header pipe. This is the inside, but you get the picture. I'll take another photo from the outside and post it when I get home.