> Should the cap on on the header tank (with the sight guage) be vented?
Absolutely yes. The header tank will not feed fuel reliably to the engine unless it is vented directly. In addition, where the wing tanks are not vented, it (the header0 provides the vent for them as well. John Cooper, A&P Skyport Services PO Box 249 4996 Delaware Tnpk Rensselaerville, NY 12147 518 797-3064 Fax 518 797-3865 www.skyportservices.net
