American Powertrain now offers a new T-56 Magnum package designed for GEN III HEMI®, Hellcat, Hellcrate and Hellephant engines up to 1100 hp. The Stage 2 upgrade takes high horsepower Tremec® Magnum 6-speeds to a new level with increased torque capacity up to 1100 lbs-ft of torque. The package includes transmission backed up with a proven DYAD dual disc clutch by Centerforce® Clutches, rated for a holding capacity of 1100 lbs-ft of torque at the crank. The kit also includes a QuickTime steel scattershield bellhousing, Hydramax hydraulic conversion bearing, four quarts of transmission fluid and all the hardware needed for installation.
The Magnum 6-speed package is designed for enthusiasts planning a GEN III swap into a classic Mopar muscle car. American Powertrain is the one stop shop for all installation parts for a complete swap including the crossmember and correct shifter location.
This package is not vehicle specific and will work with any newer Gen III Hemi style engine. We can add in specific vehicle fitment parts just ask your sales person. This package is designed for Gen III Hemi swaps into classic cars only. It will not work with new Chargers or Challengers. Package includes
- Tremec Magnum 6 speed- Stage 2 Extreme Upgrade
- Stage 2 upgrade includes REM polished and Cryo hardened gears. Upgraded synchronizers.
- Ratios: 1st:2.66, 2nd:1.78, 3rd:1.30, 4th:1.00, 5th:0.80, 6th:0.63
- Quicktime SFI steel bellhousing
- All required bellhousing hardware for engine and transmission
- Centerforce DYAD clutch kit with twin discs and billet flywheel- 1250hp capable! Please specify left or right hand starter.
- ARP flywheel bolt kit
- Hydramax Hydraulic Bearing
- 4 qts of trans fluid
- Energy Suspension transmission mount
- Reverse lock out system
- Custom pilot bearing
- 31-spline slip yoke for 1350 u-joint
For more information about the new GEN III Hemi Package, you can fill out a Request for Quote here or call 931-646-4836 to speak with one of American Powertrain’s highly qualified sales technicians.
Gen III HEMI and Hellcat 6-speed Package
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10 thoughts on “American Powertrain Introduces High Horsepower GEN III HEMI® 6-Speed Transmission Package”
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I am an old street rodder from the ’60’s. I have a Project Truck (1985 Ford Ranger). It was old and cheap. That’s the best kind – right? I already narrowed a 9″ Ford rear axle, tubbed it with 12″ Thompsons. Put a 302 in with a T5. Performance isn’t what I’m looking for. I need some cheap horsepower. I’m thinking a Chevy small block. Pull the 302 and putting in a stroked 350. What am I looking at with your T56?
Thanks for your time and response.
Bud
Bud,
6-speeds start at $3300 plus whatever parts you need to install. All in all around $4500. Give us a call 931-646-4836 for a more detailed quote. Thanks
Can it be configured to a 4wd application?
Sorry these 6-speeds are not designed for 4wd use. The gearing is made for 2wd performance applications
Planning on putting a new Hellcat in my 70roadrunner,this set up looks perfect.what would I be looking at?
Best thing to do is call at 931-646-4836 we can build you a custom quote over the phone.
I have a real V-code 70 Roadrunner, but the block is a 71 block with the 6bbl heavy duty parts in it. To answer your question about “What will I (you) be looking at?” with a Hellcat Hemi in a 70 Roadrunner? One of the most menacing looking muscle cars of the era, with an engine that brings together 50 years of MOPAR MUSCLE dominance! Good luck, and shifting your own gears is the BEST way to experience the ride of life!
Do you build a trans setup for early model Ford Mustang 1966
Yep
Here is all of our early Ford Mustang stuff. From hydraulic conversion to 5 and 6-speed kits.
https://americanpowertrain.com/body_type/ford-mustang-1st-gen/?swoof=1&manufacturer=ford&really_curr_tax=2671-body_type
Would this work for a Srt10 Ram?