20. A dimpling tool was used on the cover for each fastener hole. Simply tightening the center bolt will close the tool and put a dimple in the panel.
21. The fastener locates and sits in this dimple, meaning it is flush with the top surface.
22. We now marked the cowl for trimming around the fastener mounts, using nothing more complex than a couple of old cutting discs of different diameters for the curves!
23. An Eastwood air nibbler tool was used to make light work of the complicated shape we had to cut out, prior to a hand file being used to dress the edges.
24. A drum sander was used on all radii.
25. The finished recess. Note we bolted the cowl top to the cowl rail throughout the process, in an effort to ensure it remained as close to its original shape as possible, through all the cutting, welding, and drilling.
26. Here's the cowl top in place, offering a better view of the dimples. We sourced the springs for the fasteners from Speedway Motors, as well as correct-length rivets.
27. With 1/8-inch holes drilled where we'd previously center-punched their locations, we broke out our trusty decades-old manual rivet gun to attach the springs.
28. The cowl cover fastened in place. A little filler around the edges of the step at each end will have this ready for primer in no time.
29. Accessing our electrics and future electronics is now as easy as removing 10 fasteners. A definite bonus when it comes to maintenance and tuning down the road.