Mustang Dyno Tuning - Dyno Day

The 'Stang is as dialed as it is going to get under the hood. With those variables eliminated, track testing can address traction and 60-foot times.

The 'Stang is as dialed as it is going to get under the hood. With those variables elimina

Mustang Tech
Car: '67 Mustang GTA
Owner: Greg Smith
Engine: 351 Windsor with stock crank and rods, TRW forged dished pistons
Induction: Edelbrock Victor Jr. port matched and milled, Holley 750 with mechanical secondaries.
Ignition: MSD Billet distributor and 6AL ignition box
Heads: Iron Trick Flow Specialties with 2.02/1.60-inch intake/exhaust valves
Camshaft: Comp Cams XR286 mechanical flat-tappet, 248/254 degrees duration at 0.050 with 0.614/0.621-inch lift.
Transmission: C6 automatic with a 10-inch Continental 3,400-stall converter
Rearend: 9-inch with Richmond 4.56:1 gears and a Detroit Locker
Front Suspension: Competition engineering 90/10 drag shocks
Rear Suspension: CalTrack (SP) bars, Competition Engineering drag shocks
Wheels and Tires: Fenton slotted mags, 15x3.5 with M/T front runners, front; 15x10 with 28.5x12.5 M/T ET Streets, rear

Dyno Numbers
The final run with 38 degrees of timing, an 11.5:1 air/fuel ratio, 66/79 jets, and the K&N air cleaner was good for 337 hp at 6,400 rpm and 319 lb-ft of torque at 4,800, up 7 hp from the baseline. We also found the shift points and cleaned up the air/fuel ratio for a little more mileage.