How long does a fuel tank replacement on a '65 Mustang typically take?
Documented on the 1965 Ford Mustang build
Published August 22, 2026
Expect roughly 3–5 hours for a DIYer, depending on experience, ease of access, whether you need to transfer the sending unit, and whether any rusted hardware slows you down.
Documented In This Build
Related Knowledge
How should I dispose of the old fuel and tank?Can I reuse the old fuel sending unit?What safety precautions are important when working with the fuel tank?What torque should I use on the driveshaft flange bolts?What safety steps should I take before starting?How should I protect and organize the new wiring?Can I keep the original radio and still add Bluetooth?Can I use an F100 driveshaft in my '65 Mustang?
Related Parts
Inline fuel filter
$15
Fuel hose clamps
$10
Replacement fuel tank
$350
Fuel lines (replacement sections)
$50
Fuel tank straps (set)
$60
Fuel sending unit (optional replacement)
$150
Filler neck seal/gasket
$10
Related Tools
Floor jack
Jack stands
Socket and ratchet set
Screwdrivers (flat and Phillips)
Safety gear (gloves, eye protection)
Line wrenches
Pry bar
Drain pan / fuel-safe container
Fuel siphon / pump





