In my KF6 kit there is a firewall to cowling gap seal which is a thin black neoprene strip about an inch wide with a small lip down the middle to grip the firewall edge. My manual doesn't say what the clearance gap should be between the edge of the firewall and the inside of the cowl so this seal material will work or how to attach it to the firewall. Pictures Ive seen of KF7 models are different. What gaps are others sizing to utilize the neoprene seal and what is the best attachment method to secure it to the firewall?