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JASPER UPDATES
- 100% installation of the Sonnax Smart-Tech® drum on all 68RFE transmissions. This drum utilizes double-sided overdrive friction plates with a higher heat capacity, preventing heat-related clutch plate warping.
- JASPER’s 68RFE Transmissions with the Sonnax Smart-Tech® drum include a larger piston surface area, resulting in an 18% increase in overdrive clutch torque capacity, compared to OE applications.
- JASPER installs additional friction discs in the underdrive clutch, providing a 20% increase in torque capacity.
Sonnax Smart Tech® Drum
100% installation of a NEW pump bushing.
JASPER’s updated pump gear has a tighter fit with the converter hub at the drive lugs to reduce engagement play and noise.
100% installation of a NEW front pump cover to prevent leaking.
100% replacement of the converter lining.
JASPER blocks the pump channel in early pumps to replicate the late pump design, preventing converter drain.
100% of units are fluid tested.
JASPER installs an anodized aluminum TCC limit valve and hardened sleeve on early models to prevent hydraulic leaks and future wear.
JASPER’s updated pump gear has a tighter fit with the converter hub at the drive lugs to reduce engagement play and noise.
100% installation of a NEW front pump cover to prevent leaking.
100% replacement of the converter lining.
JASPER blocks the pump channel in early pumps to replicate the late pump design, preventing converter drain.
100% of units are fluid tested.
JASPER installs an anodized aluminum TCC limit valve and hardened sleeve on early models to prevent hydraulic leaks and future wear.
All units are 100% dynamometer tested
100% replacement of TCC accumulator spring with an improved design to prevent spring failure.
100% installation of a NEW pressure transducer, NEW damper springs, and speed sensors.
JASPER applies a thread lock on accumulator cover bolts to prevent the cover from becoming unsecured from the valve body.
100% of solenoid packs and range sensors are tested to ensure proper function.
100% dynamometer tested for proper gear ratios, line pressure, cooler pressure, cooler flow and noise.
100% installation of a NEW pressure transducer, NEW damper springs, and speed sensors.
JASPER applies a thread lock on accumulator cover bolts to prevent the cover from becoming unsecured from the valve body.
100% of solenoid packs and range sensors are tested to ensure proper function.
100% dynamometer tested for proper gear ratios, line pressure, cooler pressure, cooler flow and noise.
Sonnax Triple Disc Converter
Heavy-Duty Applications Include the Following:
100% Installation of the Sonnax Triple Disc Converter
JASPER 100% installs the Sonnax Triple Disc Converter on our heavy-duty built units. This cover has thicker walls, stronger mounting pads, an additional friction disc, and will not crack. The additional friction surface provides a 50% increase in lockup torque capacity.
The billet converter cover has a stronger pilot integrated into the cover and is precision machined to align with the pilot.
100% installation of NEW friction linings and NEW damper assembly with springs.
Chrysler 68RFE Applications:
Dodge Ram 2500
Dodge Ram 3500
100% Installation of the Sonnax Triple Disc Converter
JASPER 100% installs the Sonnax Triple Disc Converter on our heavy-duty built units. This cover has thicker walls, stronger mounting pads, an additional friction disc, and will not crack. The additional friction surface provides a 50% increase in lockup torque capacity.
The billet converter cover has a stronger pilot integrated into the cover and is precision machined to align with the pilot.
100% installation of NEW friction linings and NEW damper assembly with springs.
Chrysler 68RFE Applications:
Dodge Ram 2500
Dodge Ram 3500
3 Year / 100,000 Mile Nationwide
Transferable Warranty
Full warranty disclosure available at www.jasperengines.com or
upon request. Specifications subject to change without notice.
upon request. Specifications subject to change without notice.
Product Videos
68RFE Sonnax Triple Disc Converter
Chrysler 68RFE Pump Gear Replacement Update
Chrysler 68RFE Pump Gear Bore Update
68RFE Sonnax Smart Tech Drum Update
chrysler-68rfe-transmission
Value-Added Quality Improvements from JASPER
Issue / Concern:
Underdrive/Overdrive Clutch Failure, Burnt Clutches
JASPER Solution:
- JASPER® installs additional friction discs in the Underdrive clutch (12 discs total compared to 10). This provides a 20% increase in torque capacity.
- 100% installation of the Sonnax Smart Tech® drum on all 68RFE transmissions. This drum utilizes double-sided friction plates with a higher heat capacity, preventing heat-related clutch plate warping.
- JASPER’s 68RFE Transmissions with the Sonnax Smart Tech® drum include a larger piston surface area, resulting in an 18% increase in overdrive clutch torque capacity, compared to OE applications.
Pump Cover Leaking
- 100% installation of NEW pump bushing.
- JASPER’s updated pump gear has a tighter fit with the converter hub at the drive lugs to reduce engagement play and noise.
- 100% installation of NEW front pump cover to prevent leaking.
Burning of Torque Converter Lining
- 100% replacement of converter lining.
Delayed Engagement Caused by Converter Draining
- JASPER blocks the pump channel in early pumps to replicate the late pump design, preventing converter drain.
Loss of Cooler Flow and Overheating
- JASPER installs an anodized aluminum TCC limit valve and hardened sleeve on early models to prevent hydraulic leaks and future wear.
Harsh TCC Engagement Because of Breakage of the TCC Accumulator Spring
- 100% replacement of TCC accumulator spring with an improved design to prevent spring failure.
Loose Accumulator Cover
- JASPER applies a thread lock on accumulator cover bolts to prevent the cover from becoming unsecured from the valve body.
High Transducer, Speed Sensor Failure Rate
- 100% installation of NEW OE pressure transducer and speed sensors (2).
Vibration, Converter Shudder, Broken Converter Springs
- JASPER 100% replaces dampener springs with new springs on stock converters.
Reliability
- All units are fluid tested.
- Each solenoid pack and range sensor is tested to ensure proper function.
- All cooler filter bypass valves are tested for proper function.
- Every unit is dynamometer tested.
Heavy-Duty Units Only:
Converter Lock-up Slip/Front Cover Cracking
- 100% installation of a Sonnax Triple Disc Converter.
- The Sonnax Triple Disc Converter kit includes an additional friction disc providing a 50% increase in lockup torque capacity.
- The kit also comes with a durable damper assembly, designed to work with the triple disc system, providing a smooth lockup application.
- The Triple Disc Converter kit has a billet front cover with thicker walls, stronger mounting pads, and an integrated pilot resulting in a front cover that will not crack.
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