Ben's Viper Modifications Page

Latest update: 12.14.2002

Modifications to date:

• Doug Levin Motorsports Level IV package:
  • Fully built engine
  • Supercharger & Intercooler
  • Custom fuel system & ECU
  • NX N2O
• Belanger Headers, 4" high-flow cats, Corsa Exhaust
• 180-degree thermostat, Fluidyne radiator
• UNITRAX max-duty half-shafts, half-shaft loops & driveshaft loop
• Autoform NHRA-legal rollbar & sidebars, TeamTech 5-point belts
• Forgeline VR1 Full Polish 19" street wheels with Michelin Pilot Sport tires (295/35 and 345/30)
• Complete Custom Wheels drag slicks / skinnies package (11.5x26x16 M/T ET Streets)
• Complete Custom Wheels 17" roadrace wheels & Kumho V700 roadrace tires

Modification & Performance History

Stock car: 408 RWHP, 442 ft/lbs torque @ 1050 miles
Added Hennessey smooth tubes & K&N filters: 415 RWHP, 448 ft/lbs  @ 1150 miles
Added Belanger headers & catback: 431 RWHP, 475 ft/lbs @ 1900 miles
Added 3" high-flow cats and MOPAR ECU: 438 RWHP, 485 ft/lbs @ 3000 miles
Added BTR Viper NOS / liquid propane system, removed MOPAR ECU: 553 RWHP, 675 ft/lbs @ 4100 miles (#52 NOS jets, #32 PRO jets, 10:1 air/fuel)
Added Hennessey heads, T&D 1.7 rockers, CDI headers: 515 RWHP, 525 ft/lbs @ 4400 miles
 NOS install & early dyno results

Upgraded to DLM Level IV: ~850 RWHP on blower only, 996 RWHP (w/tires spinning on dyno) on Blower + NOS

With hood off:

Best 1/4 mile: 10.11 @ 151.97 (Moroso, October '02):

Dyno sheet (with about 200 RWHP N2O, drag slicks, and 90F weather. Slicks started spinning on the dyno @ 4900 RPM...

Old dyno results:

Comparison of Viper with Belanger headers/exhaust/3" cats/MOPAR ECU with Heads/Rockers/CDI headers/Belanger exhaust/3" cats/stock ECU:

Comparison of Viper with Heads/Rockers/CDI headers/Belanger exhaust/3" cats/stock ECU, with and without dual #40 NOS: