Best Performance and Racing 4L60E (For Any Budget)

Even from the factory, the 4L60E can handle some serious horsepower.  The newer the model, the better off it’s going to do with no modification.  A common myth that people believe is that to handle some serious horsepower you need a 4L80E.  This is not the case.  A well-built 4L60E can handle over a thousand … Read more

2002 Trailblazer Transmission

The 2002 Chevrolet Trailblazer is the second model year of the first (and only in the U.S.) of GM’s once popular midsize SUV.  Almost without exception, the transmission that came in these trucks was a 4L60E.  The only exception ever was the Trailblazer SS that would come in later model years.  Now, depending on what … Read more

2006 Trailblazer Transmission

2006 is the first model year for the Chevrolet Trailblazer where every single unit manufactured didn’t come with the 4L60E.  That’s due to the introduction of the Trailblazer SS, which needed a more powerful transmission and got one in the 4L70E.   2006 Trailblazer Transmission Fluid  Capacity The Transmission fluid capacity on a 06 Trailblazer … Read more

2005 Trailblazer Transmission

The 2005 Chevrolet Trailblazer is the 4’th model year for this SUV.  Like the 02-04 Trailblazer’s that came before it, the 05 model comes equipped with the 4L60E transmission regardless of which engine it was equipped with.  Though, there are some unique changes to the 4l60E to accommodate the I6 motor these trucks came with.   … Read more

2004 Trailblazer Transmission

For the most part, but 2004 trailblazer transmission is a carryover from the 2003 trailblazer transmission.  The Trailblazer utilizes the 4L60E transmission in all models.  The 4L60E is very capable in these trucks.  With the trailblazer, it’s more likely that the engine will fail before the transmission does.  The exception to that would be any Trailblazer … Read more

700r4 vs 4L60E

The 700R4 and 4L60E transmission are not siblings.  It is better to think of them as the continuation of the same design.  From the early eighties until quite recently it has been in service in GM passenger vehicles and light trucks.  Throughout that whole period, they have constantly improved. When the 4L60E made it into … Read more

4L60E VS 4L80E Differences   

There are many differences and a few similarities between the 4L60E and the 4L80E transmissions.  If you don’t feel like reading a whole article on it the main differences between the two transmissions come down to two things; their actual physical size (the 4L80E is bigger) and the amount of horsepower that they can handle … Read more

4L60e rebuild cost

Before digging right into 4L60E rebuild cost, it’s important to weigh whether or not a rebuild is even the right thing to do.  There is certainly a threshold of spend where it begins to make more sense to go with a “new” transmission.  We will answer your question immediately below, and we’ll go over other … Read more

LS1 Transmission

The LS1 engine first made its debut in the 1997 Chevrolet Corvette.  One year later, it made its way to the  Camaro Firebird twins.   All automatic transmissions that the LS1 came with are computer controlled. The LS1 engines really used two different transmissions.  Those were:   T56– This transmission is the manual option on all … Read more

4L60E Transmission Problems

The 4L60E transmission is the direct descendent of the 700R4, and as such already had over a decade of refinement put into it before it ever even made it into production.  This means that even the early ones were pretty good from day one of their production life.  While there have been many case changes … Read more