1972 Mustang Fastback · Mach 1 · Build log 2012 to 2018

Restore your 1971–73 Mustang with a photo for every step.

These 37 how-to guides follow one 1972 Mach 1 fastback from worn seat frames to a running 5.0 roller engine with Holley Sniper fuel injection. Use them to see the parts, the order of the work and the finished result before you start on your own car.

Browse all 37 guides Start with the engine build

The finished small block V8 with a chrome air cleaner and polished intake in the Mach 1 engine bay

The blue 1972 Mustang Mach 1 fastback in the driveway with the hood open

37How-to guides

605Build photos

8Step-by-step videos

71–73Mustang model years

Topics

Find the guide for the part of your car you are working on.

See every guide

16 guidesInterior restorationSee the seats, door panels, carpet, sound deadener, package tray and sail panels go back into the fastback.

9 guidesDash & gaugesSee the gauge cluster, VDO center gauges, dash bezels, A/C controls, switches and speakers restored.

11 guidesEngine buildFollow the 302 teardown, the '96 Explorer 5.0 donor motor, the GT40 heads and the first start.

4 guidesFuel injectionInstall Holley Sniper fuel injection with a proper return line and a tested fuel sending unit.

605 photosPhoto gallerySee every build photo in one place, grouped by the guide it belongs to.

Showing the back of the Mustang prior to removal of the gas tank. Fuel pump drain in place

Most detailed guide · July 2018

How to install Holley Sniper fuel injection on a Mustang: fuel pump stage

Begin by inspecting the contents of your Holley Sniper Master Kit. This first stage covers fuel tank removal, the return bung, the fuel pump and the pre and post fuel filters, with 47 photos of the work on a 71–73 fastback.

47 photosFuel injectionRussell part 670850

Read the fuel pump stage guide

Build log

Follow the build in the order the work happened.

Feb–Apr 2012Interior restoration · 17 guidesThe seats, door panels, carpet, dash trim, package tray and kick panel speakers go back in first.See the interior guides
Sep–Oct 2012Engine teardown · 7 guidesThe original 302 comes out with damaged cylinder walls, and a '96 Explorer 5.0 with GT40 heads replaces it.See the teardown guides
2013Gauges, trim and engine bay · 4 guidesThe gauge cluster, upper A pillars, CVF pulleys and brackets and engine bay paint are finished.See the 2013 guides
2014First start · 2 guidesThe finished engine runs for the first time, then the Mach 1 center gauges go to VDO.See the 2014 guides
2018Fuel injection · 7 guidesHolley Sniper EFI goes in with a new return line, followed by the sending unit, chrome rust and fouled plugs.See the fuel injection guides