What year Duramax has the Allison Transmission?

Name: Allison 1000
Production Years: • First produced in 1999 • Produced for Duramax applications 2001 – present

Do all Duramax come with Allison Transmission?

Registered. They all came with the allison 5spd 01-early 05 models and allison 6 spd on the newer modes i believe late 05-08, very few came with a zf6 manual.

What year did Chevy start using the Allison Transmission?

Production of the Allison LCT 1000 began in 1999.

Is the Allison 1000 transmission good?

While there’s nothing overly exceptional about an Allison 1000 transmission, the gearbox has a longstanding reputation for reliability and continuous improvement. One of the first uses of the five-speed 1000 transmission was its pairing with GM’s Duramax 6.6-liter V-8 Diesel engine.

How much HP can a Allison 1000 handle?

As you’ve probably deduced up to this point, the stock Allison will handle roughly 350 to 400-rwhp in five-speed form and 425 to 450-rwhp in six-speed trim. However, if you push things past that point the clutches will eventually slip and bring on the Allison’s notorious “limp mode” condition (i.e. limp home mode).

What transmission is in 03 Duramax?

Chevy/GMC Duramax – 2001-2004 GM 6.6L LB7 Duramax – Transmission – Allison 1000 5 Speed.

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Why are Allison transmissions so good?

Unlike manual and automated manual transmissions (AMTs), Allison Automatics have no power interrupts during shift changes. They make the best use of the engine’s horsepower and torque by delivering more of it to the wheels. … This not only saves time and money, it also provides maximum protection for the transmission.

Which is better 68RFE or Aisin?

The 68RFE is not nearly as robust as the Aisin in any way, shape, or form. They are two totally different transmissions. … The difference is the Aisin has a much deeper First (3.75:1) and Second (2.0:1) to maximize the 6.7L’s torque delivery for more low-end pulling power.

How many miles does an Allison Transmission last?

Like toypuller said, on a 100% stock motor, and when properly maintained they seem to pretty much last indefinitely. If you severely overpower it, you can kill it within 100 miles if you want.

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