509 Big-Block Engine Install for 1968-1974 Chevy Nova's - What A Drag, Part 2 Photo Gallery
Bill cut the tube in three sections with a 1-inch V-cut at the rear, close to the firewall. Then the tube was turned (1/4-turn) away from where the header was interfering. The 1-inch V-cut section filled in at the front cut section. The three tubes were welded together, making it as strong as before.