this is the most info i can get right now but more is to come on the hennesy venom 650 R.
Dodge Viper GTS 
Figures may not be accurate Specifications Production Start 1996 Manufacturer Dodge
Powertrain Layout Front Engine / RWD Wheelbase 2443 mm / 96 in
Length 4488 mm / 177 in Width 1923 mm / 76 in
Height 1194 mm / 47 in Front Track 1514 mm / 60 in
Rear Track 1539 mm / 61 in Engine Type V10 OHV w/SMPI
Displacment 7990cc Transmission 6-Speed Manual
Brakes Disc Weight 1566 kgs / 3445 lbs
Performance Top Speed 298 kph / 186 mph 0-60 (mph) 4.4 sec
Horsepower 450 BHP @ 5200 rpm Torque 664 Nm/490 ft lb @ 3700
Production Start
Not Available
Manufacturer
Dodge
Powertrain Layout Front Engine / RWD Wheelbase 2443 mm / 96 in
Length 4470 mm / 176 in Width 1923 mm / 76 in
Height 1146 mm / 45 in Front Track 1588 mm / 61 in
Rear Track 1554 mm / 62 in Engine Type V10 OHV w/SMPI
Displacment 7990cc Transmission 6-Speed Manual
Brakes Vented Discs Weight 1250 kgs / 2750 lbs
Performance Top Speed Not Available 0-60 (mph) 4.2 secs
Horsepower 460 BHP @ 5200 rpm Torque 678 nm / 500 ft. lbs. @ 3600 rpm
Production Start
1991 / 1992
Manufacturer
Dodge
Powertrain Layout Front Engine / RWD Wheelbase 2443 mm / 96 in
Length 4448 mm / 175 in Width 1923 mm / 76 in
Height 1115 mm / 44 in Front Track 1514 mm / 60 in
Rear Track 1539 mm / 61 in Engine Type 20-valve OHV V10
Displacment 7990cc Transmission 6-Speed Manual
Brakes Disc Weight 1566 kgs / 3445 lbs
Performance Top Speed 256 kph / 160 mph 0-60 (mph) 4.6 sec
Horsepower 415 BHP @ 5200 rpm Torque 662 Nm/488 ft lb @ 3600
Production Start
1996
Manufacturer
Hennessey / Dodge
Powertrain Layout Front Engine / RWD Wheelbase 2443 mm / 96 in
Length 4488 mm / 177 in Width 1923 mm / 76 in
Height 1194 mm / 47 in Front Track 1514 mm / 60 in
Rear Track 1539 mm / 61 in Engine Type Venom 600 Motor
Displacment 8.5 Litre Transmission 6-Speed Manual
Brakes Non-ABS Ventilated Discs Weight 1432 kgs / 3150 lbs
Performance Top Speed 328 kph / 205 mph 0-60 (mph) 3.8 sec
Horsepower 635 BHP @ 5600 rpm Torque 655 ft lb @ 4900 rpm
Specifications
Production Start
1997
Manufacturer
Hennesy / Dodge
Powertrain Layout Front Engine / RWD Wheelbase 2443 mm / 96 in
Length 4488 mm / 177 in Width 1923 mm / 76 in
Height 1194 mm / 47 in Front Track 1514 mm / 60 in
Rear Track 1539 mm / 61 in Engine Type V10
Displacment 5428cc Transmission 6-Speed Manual
Brakes Not Available Weight 1477.273 kgs / 3250 lbs
Performance Top Speed 325.6 kph / 203.5 mph 0-60 (mph) 3.7 sec
Horsepower 602 BHP @ 5700 rpm Torque 854 Nm/630 ft lb @ 4500
