Exhaust cracks can be insidious, although sometimes they leave a gray-looking residue. Use a bright flashlight and inspect them every time the cowling is off.
![[Credit: Lisa Turner]](https://www.kitplanes.com/wp-content/uploads/2026/02/Fuel-Selector.jpg?w=218&h=150&crop=1 "Fuel Follies")
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Letters
Sawtooth MythIn his article All About Avionics: EFIS Dreams Stein Bruch complains about the...
