Poteet and Main Speed Demon Tech Specs

ken duttweiler
Engine and turbocharging guru Kenny Duttweiler now has the Gen-1 small block Chevy churning out more than 2300 horsepower.

SCTA Records:
D/BFS  404.562 MPH (D/ Blown Fuel Streamliner, 299-cid engine)
C/BFS  390.709 MPH (C/ Blown Fuel Streamliner, 347-cid engine)

Best Performance:
457 MPH flying mile one way
462 MPH trap speed
(fastest piston engine pass ever)

Driver:
George Poteet

Car Owners:
George Poteet and Ron Main

Engines:
C/Class Engine,  5.98  HP per cubic inch
Ken Duttweiler built small block Chevy V8
388 cubic inches
Dart Little M standard deck block (9-inch)
Bore: 4.185-inch
Stroke: 3.55-inch
Dart 11 degree Little Chief aluminum heads
Engine management by MoTeC
2670 HP @ 8800 RPM
1313 lb-ft torque @8800 RPM

speed demon engine
Fifty-eight years removed from its original introduction, the small block Chevy remains the baddest engine on the planet; not a Hemi, not a big block, not an LS, but a traditional first generation small block.

C/Class Engine,  5.978  HP per cubic inch
Ken Duttweiler built small block Chevy V8
368 cubic inches
Dart Little M block (9-inch)
Bore: 4.155-inch
Stroke: 3.400-inch
Dart 11 degree Little Chief aluminum heads
Engine management by MoTeC
2076.6 HP @ 8800 RPM
1239.3 lb-ft torque @8800 RPM

D/Class Engine, 6.6  HP per cubic inch
Ken Duttweiler built small block Chevy V8
299 cubic inches
Dart Little M short deck block (8.5-inch)
Bore: 4.131-inch
Stroke: 2.80-inch
Dart 11 degree Little Chief aluminum heads
Engine management by MoTeC
1980 HP @9300 RPM

Induction:
Twin 83mm Precision Turbo turbochargers
38-40 psi boost above 8500 RPM, Traction and driveline boost limited
below 8500 RPM
Custom Hogan sheet metal manifold with Wilson Manifolds
105mm throttle body and 16 225/hr Seimens fuel injectors (two per cylinder)
VP M1 methanol fuel

Chassis:
Custom tubular frame with Aerosmith Engineering designed,
Nemesis Air Racing built composite bo

Center Section:
Weisman quick change rearend with 1.8:1 final drive

Transmission:
LIberty performance Products, Extreme clutchless 5-speed