Twisted Executioner™ Ford C6 Small Block Performance Transmission | 850 HP
750–850 HP | 850 LB-FT | Billet-Cover Converter Included
Our Twisted Executioner™ Ford C6 is built in-house for high-horsepower small-block Ford street/strip applications producing up to 850 HP and 850 lb-ft of torque.
Built with billet drums, a 300M input shaft, increased clutch capacity, heavy-duty planetary components, and race-calibrated hydraulics. Retains automatic shifting in Drive.
Build Includes
- Increased-capacity, six-clutch forward and direct drum assemblies
- Heavy-duty performance clutches
- Kolene performance steels
- Wide heavy-duty intermediate band
- 300M billet input shaft
- 4140 billet steel forward drum
- 7075-T6 billet aluminum direct drum
- Six-pinion heavy-duty steel planetary gear set
- Rollerized gear train with upgraded thrust bearings
- Heavy-duty low one-way roller clutch assembly
- Hardened drive shell
- Heavy-duty reverse hub
- Billet intermediate servo
- Complete new bushing kit
- High-capacity remanufactured pump assembly
- TransGo 67-1&2 Gear Command Reprogramming Kit
- Performance-calibrated automatic valve body
- High-RPM governor calibration
- New vacuum modulator
- Deep aluminum transmission pan
- New transmission filter
- New gaskets, seals, and sealing rings
Pump & Valve Body — Modified & Updated the Twisted Torque™ Way.
Billet-Cover Performance Torque Converter — Included
2500–2800 RPM Stall | Extreme-Duty Billet Cover
- One-piece billet front cover
- Anti-ballooning reinforcement
- Heavy-duty aluminum stator
- Upgraded sprag assembly
- Torrington bearings
- Reinforced internal construction
Optional Stall Upgrades:
- 2800–3200 RPM
- 3200–3600 RPM
- 3600–4000 RPM
- Custom stall available
Final stall matched to engine specs, rear gears, tire size, and intended use.
C6 Transmission Specifications
- Three-speed automatic
- First gear: 2.46:1
- Second gear: 1.46:1
- Third gear: 1.00:1
- Non-lockup torque converter
- No overdrive
- Integral small-block Ford bellhousing
- Automatic shifting with TransGo Gear Command
Gear ratios must be confirmed against the selected six-pinion planetary gear set.
Engine Applications
Fits the small-block Ford bellhousing pattern:
- 289 V8: Six-bolt blocks only
- 302 / 5.0L Windsor
- 351W / 5.8L Windsor
- 351C / 5.8L Cleveland
Most 351M and 400 engines use a different bellhousing pattern.
Confirm flexplate balance, tooth count, converter bolt pattern, and crankshaft pilot before ordering.
Vehicle Applications
Built to order for properly matched small-block C6 applications:
- Ford Mustang
- Mercury Cougar
- Ford Fairlane / Torino
- Ford Ranchero
- Ford F-Series pickups
- Ford Bronco
- Custom street rods and restomods
Fitment depends on vehicle year, engine, original transmission, and drivetrain configuration.
Custom Builds & Swaps
Suitable for properly matched stroker engines, boosted combinations, nitrous applications, and aggressive street/strip use.
Provide engine horsepower and torque, camshaft specs, rear gears, tire size, vehicle weight, and intended use before ordering.
Conversions from a C4, FMX, or manual transmission may require crossmember, driveshaft, shifter linkage, speedometer, and exhaust modifications.
For 4WD builds, provide the transfer-case model to confirm output shaft and adapter requirements.
Cooling & Installation
An external stacked-plate transmission cooler is required.
- Size cooler for engine output, converter stall, and vehicle weight.
- Flush or replace cooler and transmission lines.
- Verify cooler flow before operation.
- Connect vacuum modulator to full manifold vacuum.
- Verify kickdown linkage and adjustment where applicable.
- Follow supplied fluid and installation instructions.
Questions About Your Build?
Twisted Torque Inc.
833-858-9612
sales@twistedtorque.com