Thisis part two of where we set out to convert a 68 Mustang coupe to a Fastback. Lots of lessons learned and sheet metal are heading your way.(Affiliate Dis
Thetrunk lid of a coupe is shaped like a rectangle and the top is a few inches deeper. Weight – The fastback has a heavier curb weight over the coupe by approximately 59 pounds. The weight difference of the fastback can be found in the extra material used to create the sloping rear section of the car. The fastbacks rear window glass is
Soit wasn't much of a surprise that the Skyline-powered Mustang showed 340 hp at 7,300 rpm at the rear wheels on the chassis dyno. It also showed a healthy 264 pound-feet of peak torque at 5,950
Theonly thing that the two motors have in common is the displacement, and they used the same 4 bbl intake. Even the carbs are different. The K code has a manual choke, 600 cfm autolite 4100, while the A code has a 480 cfm, thermostatically actuated choke 4100. The K codes had a different, much larger balancer, all sorts of stuff.
Theonly way to tell the difference between the 65 & 66 is this. The grille was different, if the 65 was standard (not GT) then it had a horizontal bar speedometer, the 65 had fender scripts that said Mustand 2+2, and if the car was equiped with styled steel wheels. In 1965 the styled steel wheels had a chrome rim.
AFord Mustang with the 390-cubic-inch engine option does as well and based on our experience, it would take about 400 hp and a stick shift to get the GT 500 down to the 13.5-second quarter
RQ0y. 76 159 209 22 168 164 203 109 273
65 vs 67 mustang fastback
