GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (2024)

$3,545.00

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GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (15)

TUET11009GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (16)

  • Gear Ratios 2.66, 2.10, 1.30, 1, .80, .63
  • 26 spline input, 31 spline output Shafts
  • Internal CSC Mount
  • Torque rated 700+ft/lbs
  • 17 tooth Analog Electric speedo

Categories: 6-Speed Transmissions, GM Tremec Magnum Six Speed, T56 Magnum TransmissionsSKU: MD-586-11009Tags: 6-Speed GM T-56 T-56 Magnum transmission TREMEC

  • Description
  • Additional information
  • SPECS
  • BREAK-IN/DRIVING

Description

TREMEC T56 MAGNUM 6-Speed Double Overdrive Transmission TUET11009 2.66 first .80/.63 OD

Introduced in the spring of 2009, the TREMEC Magnum 6-speed manual transmission, was the long-awaited and highly anticipated replacement for the original T-56.
Based heavily on the TR6060, the all-new Magnum took the best of TREMEC’s current OEM design and manufacturing technologies and combined them with the most popular features of their intensely popular TKO 5-speed.
The result is the smoothest shifting, greatest driving, strongest, and most versatile 6-speed aftermarket transmission TREMEC has ever produced.

Introduced in the spring of 2009, the TREMEC Magnum 6-speed manual transmission, was the long-awaited and highly anticipated replacement for the original T-56. Based heavily on the TR6060, the all-new Magnum took the best of TREMEC’s current OEM design and manufacturing technologies and combined them with the most popular features of the intensely popular TKO 5-speed. The result is the smoothest shifting, greatest driving, strongest, and most versatile 6-speed aftermarket transmission TREMEC has ever produced.

Features & Benefits:

  • 85mm center distance.
  • 700 lb-ft effective torque capacity.
  • Fully reversible ‘TKO-style’ OEM-grade die-cast aluminum shifter for smooth, positive shift action.
  • Dual ‘speedo’ pick-ups to accommodate both electric and mechanical type speedometers.
  • Built-in mid-shift provisions under inspection cover for simple, pain-free mid-shift conversions.
  • Triple cone synchronizers on gears 1-4, double cone synchronizers on gears 5-6, as well as reverse.
  • Accurate, smooth, high-rpm shift capabilities.
  • 26 Spline input shaft
  • 31 Spline output shaft
  • Required oil – ATF Dextron III

Experience the MDL difference:

When you purchase a complete MDL Conversion Package you get

    • We extend the manufacturer’s warranty by an extra year… with a 1-year grace period.
    • We have the best in the industry customer service.
    • lifetime technical support.

Click here for a Quote

TREMEC
Part Number
ApplicationTorque Cap.
(lbs-ft)
Gear Ratio Chart
1st2nd3rd4th5th6thRev
TUET16885GM7002.661.781.301.000.800.632.90
TUET11012GM7002.972.101.461.000.740.502.90

GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (17)

TREMEC Magnum F GM 6 speed Transmission

Get your new Magnum on the road with our Performance T56 Magnum Installation kit featuring bell-housing, flywheel, clutch, and clutch release we have mechanical or hydraulic actuation, bearings, pressure plate, with all the supporting hardware and more.
Please see our Solutions section for whatever you hit the road with.

If you need a transmission upgrade to get better performance and better fuel economy.
MDL has all of the
GM Transmission parts you need, including shifters, flywheels, clutch cables, clutch kits, and more, for your new manual transmission.

GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (18)

If you have questions, please call208-453-9800

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VIDEO: Toughness Meet Drive-ability / BIG MUSCLE

In stock & ready to ship

Additional information

Weight3760 oz
Dimensions46.5 × 22 × 20 in

SPECS

GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (19) GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (20)

GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (21) GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (22)

  1. Forward shift provision.
  2. Standard reversible rear shifter
  3. Reverse inhibitor solenoid
  4. Fluid drain & fill ports
  5. Mechanical Speedometer output
  6. Common T56 style bolt pattern
  7. Mounting pad for OEM style hydraulic slave or aftermarket guide tube
  8. Clutch fork exit window
  9. Electronic speedometer output
  10. Reverse light switch
  11. Slip yoke output
  12. Trans Mount Location

    APPLICATION

    INSTALLATION DIMENSION IN INCHES

    BELLHOUSING

    A

    BCDEFG

    H

    GM – LS (HYD)

    18.23 / 23.0 / 26.66.4626.633.84.512.25

    1386-212-005

    MAGNUM F-CAR

    29.46.4626.631.84.512.25

    1386-212-005

BREAK-IN/DRIVING

Driving Techniques
A 500-mile break-in period will prevent premature wear and possible damage to the transmission. During the
break-in period, you must avoid high RPM shifts and “drag” starts. The clutch must be fully disengaged to shift
the transmission. Do not use excessive force when shifting the transmission. If you experience clash shifts
(grinding), check clutch travel to ensure proper air gap is achieved. Another possible cause of clash shifting is
improper transmission installation (excessive driveline angle / resulting in poor driveline alignment). Do not hold
the transmission in gear by applying force on the shifter. This will damage the pads on the shift forks and may
result in significant damage to the transmission.

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  • Install Hardware kit/ Chevy LS T56 Magnum to LS Steel Bellhousing $36.00

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GM Tremec Magnum 6 Speed/ TUET11009 2.66 first .80/.63 OD (2024)

FAQs

Is the TREMEC 6-speed a good transmission? ›

The kingpin of TREMEC's high performance line-up, the Magnum double-overdrive 6-speed transmission takes the very best from TREMEC's current OEM technologies and pairs it with the most popular features of the TKO 5-speed. Able to withstand a massive 700 lb-ft.

How much HP can a TREMEC 6-speed handle? ›

However, even the best over-the-shelf manual transmissions are only rated to handle 700 hp. In an effort to save the manuals, we contacted Tick Performance of Mount Airy North Carolina to see inside their Stage 5 Tremec T56 Magnum transmissions. They claim this fully synchronized six-speed is good for 900 rwhp.

What is the difference between a TREMEC TKO and Magnum? ›

In fact, nearly everything about the Magnum is superior to the TKO. The Magnum uses a single rail-shift mechanism (as opposed to the multi-rail TKO) and multiple-cone synchronizers (the TKO has single-cone brass), and it has a larger center distance (meaning larger diameter gears).

What is the difference between Magnum and Magnum F? ›

The TREMEC Magnum-F is overall two inches shorter (measurement B above, 31.8 inches) than the standard Magnum 6-speed (B 33.8-inches) and 6.5-inches shorter than the Magnum XL (B 38.3-inches) while the Magnum-F shifter location (measurement A above, 29.4-inches) fits right in between the standard Magnum 6-speed (A 26.6 ...

Is TREMEC owned by GM? ›

TREMEC is a wholly owned subsidiary of KUO Group, which is based in Mexico City. Some of the first TREMEC products were originally designed by Borg-Warner, including the widely used T-56.

What is the best Tremec transmission? ›

TKX Five-Speed

There's a new kid in town: the TREMEC TKX. This five-speed was introduced in late 2020 (one of the few good things that year) and going by the specs, it's everything the TKO is and a whole lot more. This new trans has the 600 lb-ft rating of the TKO and it can easily shift up to 7,500 rpm!

What Tremec transmission is in Hellcat? ›

The ultimate American muscle car features a TREMEC TR-6060 six-speed manual transmission with a twin-disc high-performance clutch - a proven performer that was first introduced in the Dodge Viper SRT10. A launch control system helps maximize straight-line acceleration.

Which is better, 5 speed or 6-speed? ›

The main difference between a five speed and six speed transmission is how they handle overdrive. On the highway where it's reasonable to drive at speeds around 65 miles per hour, overdrive gears help save fuel. The engine doesn't need to work as hard to maintain speed. That extra sixth gear is even more efficient.

How much does a Tremec Magnum 6-speed weigh? ›

Reasonably light at 135 lbs.

What are magnum condoms? ›

From the makers of Trojan™, these large condoms are larger than standard condoms so they can provide extra comfort. They look good coming out of the black and gold box, and they feel great on.

What does magnum mean in firearms? ›

Magnum: An improved version of a standard cartridge that uses the same caliber and bullet, but has more powder (generally in a longer cartridge case), giving the fired bullet more energy. Magnum shotgun loads, however, refer to an increased amount of shot pellets in the shell.

What is the difference between magnum and T56? ›

Though narrower in design, the blocker and friction rings in the TREMEC TR-6060 and Magnum have an increased diameter and a standard triple-cone arrangement for substantially more surface area and strength than the double-cone setup found in the majority of T-56s.

Is 6 speed manual transmission good? ›

A brief overview of the benefits of a 6 speed manual transmission, include advantages like a massive increase in acceleration, more power when you need it regardless of road speed, quieter and more relaxed highway cruising, reduced engine wear and vastly improved fuel economy.

Which is better, 5 speed or 6 speed? ›

The main difference between a five speed and six speed transmission is how they handle overdrive. On the highway where it's reasonable to drive at speeds around 65 miles per hour, overdrive gears help save fuel. The engine doesn't need to work as hard to maintain speed. That extra sixth gear is even more efficient.

What is the strongest T5 transmission? ›

“Best of all the T-5Z has a torque rating of 330 lb-ft based on 100,000 miles of use. The stock T-5Z can handle up to 450 hp with a soft locking clutch when it is not shock loaded like in drag racing.”

References

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