Segun la revista Flight el radio de combate es de 1185 Km pero no especifica nada mas.
En el siguiente link se dice que las características del J79-IAI-J1E incluyen la velocidad del motor 102% a los altos números de Mach, cámara de combustión sin humo y la aceleración más rápida del motor. 49,4 kN de empuje en seco (11.100 libras), aumentó 83,4 kN de empuje (18.750 libras), relación de compresión 12.2:1, el flujo de masa de aire de 77,1 kg / s (170 lb / s).
Esto lo encontre en un foro vietnamita sobre el C7
Fuel Empty about 16,060 lb (7285 kg)
Normal take-off 22,961 lb (10415 kg)
Maximum take-off 36,376 lb (16500 kg)
Internal fuel 5,670 lb (2572 kg)
External fuel up to 8,216 lb (3727 kg)
Maximum level speed 1,317 kt (1,516 mph; 2440 km/h) or Mach 2.30 at 36,000 ft (10975 m) or 750 kt (863 mph; 1389 km/h) or Mach 1.13 at sea level
Ferry range 1,744 nm (2,000 miles; 3232 km) with one 343.4 US gal (286 Imp gal; 1300 liter) and two 449.1 US gal (374 Imp gal; 1700 liter) drop tanks
radius 419 nm (482 miles; 776 km) on a hi-hi-hi interception mission with two Shafrir AAMs, one 217.9 US gal (181.5 Imp gal; 825 liter) and two 343.4 US gal (286 Imp gal; 1300 liter) drop tanks, or 476 nm (548 miles; 882 km) on a CAP of 1 hour with two Shafrir AAMs, one 449.1 US gal (374 Imp gal; 1700 liter) and two 343.4 US gal (286 Imp gal; 1300 liter) drop tanks, or 640 nm (737 miles; 1186 km) on a hi-lo-hi attack mission with two 800 lb (363 kg) and two 400 lb (181 kg) bombs, two Shafrir AAMs, and one 343.4 US gal (286 Imp gal; 1300 liter) and two 449.1 US gal (374 Imp gal; 1700 liter) drop tanks
Climb Maximum rate at sea level 14000 m (45,930 ft) per minute; climb to 50,000 ft (15240 m) in 5 minutes 10 seconds with full internal fuel and two Shafrir AAMs
Service ceiling 75,000 ft (22860 m) in a zoom or 58,000 ft (17680 m) at stabilized supersonic speed
G +7.5
Saludos
El Link
http://www.flightglobal.com/pdfarchive/view/1998/1998%20-%201978.html
http://paulcegelski.com/J79.html
http://www.tudovis.com/vis_forums/forum15/8990-15.html