Classic ’65-’68 Mustang vent window frames are made of die-cast construction, which is a Heinz 57 mix of non-ferrous metals, such as zinc, copper, aluminum, lead, pewter, and even tin.

then disconnect the vent tube from both the canister and vehicle body. Continue the fix by removing the front bolt from the left fuel tank support strap bolt, then loosen the rear bolt and move the ...