Introducing the Speedtech Performance Full Frame with Torque Arm Rear Suspension or optional Independent Rear Suspension.
Available models for the SpeedTech Extreme full chassis:
1964-1972 GM A-Body / Chevelle etc.
1963-1979 Corvette C2 & C3
1955-1957 Chevy 210 / Bel Air Etc.
1971-1976 Chevy Impala
1955-1987 Chevy Trucks
1953-1956 Ford F100
EXTREME CHASSIS FEATURES AND BENEFITS:
- Box welded construction with tabbed through frame gusseting for added torsional rigidity
- Torque arm rear suspension puts loads into the center of the chassis significantly reducing pitch
- Torque arm controls pinion angle change to a minimal amount, virtually zero
- Exclusively equipped with forged 7075 Aircraft Aluminum ExtReme spindle (more info below)
- Up to 27-33 degrees of steering angle equal to or slightly more than O.E.
- Corrected Ackerman for better grip while cornering providing up to 20% more inside tire grip when cornering
- Corrected scrub radius for large diameter wheels in wider widths
- Virtually zero bump steer – .005” standard over full travel (can be tuned)
- Industry leading design for lower roll center optimized for each chassis
- Excellent comfort on the street, durable for autocross & track days
- Increased shock length providing more suspension travel
- 78% motion ratio for faster shock response and more precise control
- 3-piece Chromoly tubular splined sway bar standard and a variety of spring rates available
- Sway bar arms are 3 position adjustable for tuning without changing bar
- Front and rear ride height adjustments accommodate your vision for styling of the finished car
- Articu-link trailing arms with Delrin bushings eliminate binding found in other systems
- Pinion angle is stable with virtually no change through the rear axle range of motion, acceleration and braking.
- Rear Roll Center is adjustable over a wide range via the pan hard bar
- Pinion angle can be adjusted to perfectly set your driveline angle
- Wheel base can be adjusted via the Speedtech Performance exclusive Articu-link
- All Speedtech Performance Chassis come with a new Dutchman 9” housing and axles
- Uses factory body mounts
EXTREME CHASSIS WITH TORQUE ARM REAR SUSPENSION INCLUDES:
- Full Speedtech Performance ExtReme Chassis
- Custom designed upper and lower control arms
- JRI mono tube nitrogen charged single adjustable coil over shock, with spring – valved for our ExtReme suspension
- Adjustable, splined sway bar with options for street, pro-touring/auto cross and ExtReme race
- Sweet Mfg. dual power rack and pinion steering
- ExtReme forged spindles with C7 hubs
- Fully adjustable transmission cross member fits all common Eng. and Trans. combinations
- Full Torque Arm rear suspension
- Heavy duty 9” housing and axles with Torque Arm brackets and Pan Hard Bar Bracket welded on
- 31 spline pro street axles (can be upgraded to 35 spline axles in options)
- New 9” rear axle housing with 3”x .250” tubes and Big Ford New Style Ends, 2.5” axle offset (full Floater Option available)
SPEEDTECH PERFORMANCE FORGED SPINDLE FEATURES AND BENEFITS:
- Included with all ExtReme front suspensions and only available from Speedtech Performance
- We took the best forged aluminum spindle made and made it better
- Forged from high quality, light weight 7075 aerospace aluminum
- Optimized geometry unlike in any other Corvette style spindle in the industry
- Significantly improved KPI/SAI angle
- Scrub radius optimized for KPI/SAI changes and larger wheels
- Requires less caster to achieves optimum tire contact patch
- Billet steering arm provides increased Ackerman angle
- Achieves optimum tire slip-angles to provide increased front tire grip
- Maintains optimum tire grip with less backspaced wheels
- Brakes caliper bolt pattern is carryover from C5 & C6 Corvette opening up many options
- Comes standard with maintenance free factory GM C7 Corvette hubs & bearings
- Excellent design attributes for street cars and race cars
- SpeedTech Spindle provides a more refined and precise driving experience in all situations