The 4L80E is a descendent of the proven TH400 transmission design. It is very rugged, has much more potential for power capacity than any other overdrive transmission on the market. It has
better power flow for big power
applications, much more clutch capacity and apply area than the 4L60E.
How strong is a 4L80E transmission?
When the 4L80E was introduced, torque capacity was
vehicles up to 8,000 pounds
and engines producing up to 440 lb-ft of torque. The uprated 4L85E, introduced in 2002, is rated for vehicles up to 16,500 pounds and engines producing up to 460 lb-ft of torque.
Which is better 4L60E or 4L80E?
Without a doubt the
4L80E is the more powerful of the two transmissions
. Vehicles with powerful engines, such as big trucks for towing or high speed cars for racing, require a 4L80E rather than a 4L60E as the power of the engine is likely to break smaller, less powerful transmissions.
How reliable is the 4L80E?
But while the 4L80E is
a strong, heavy-duty transmission
, during the first few years of production the 4L80E was not as durable as its design permitted due mainly to faulty parts. As such, most of the 1991-1992 454SS trucks came with 4L80E transmissions that had faulty parts from the factory.
How long will a 4L80E last?
IMHO, the 6.5’s and 4L80E’s are capable of
500,000 miles
…
How much HP can a 4L80E?
How much power can the 4L80E handle? A totally stock unit or rebuild will typically live well with
up to 450 flywheel HP/TQ
.
What years did Chevy use 4L80E?
| 4L80-E/4L85-E | Overview | Production 1991–2013 | Body and chassis | Class 4-speed longitudinal automatic transmission |
|---|
How much HP can a 4L60E handle?
Their Stage 2 Pro Race transmission can handle gobs of power while their Invincible Black Edition 4L60E trans can support
over 1,000 ponies
.
Which is better 4L80E or 6L80E?
“The main difference is that the
6L80E
has much more versatile gear ratios. … The 4L80E is more proven because it has been around much longer and more parts are available for it, but the 6L80E has come a long way and they can handle tons of power with a few basic upgrades.”
Will a 4L80E bolt up to a 350?
The 4l80e will bolt up to your existing flywheel using
3 bolts instead of 6
. The jury is still out on this one as the 4l80 came with 6 but 350 and 400 only ever used 3. I ran 3 in my turbo truck setup without issues. FYI, there were TH400 converters that DID come with 6 bolts.
What vehicles came with a 4L80E?
- Chevy Avalanche.
- Chevy C2500 HD.
- Chevy C3500 HD.
- Chevy Express 2500.
- Chevy Express 3500.
- Chevy Express 4500.
- Chevy K2500 Suburban.
- Chevy Silverado 2500 HD.
What’s the difference between a 4L80 and 4L80E?
The 4L80 nomenclature denotes that the transmission is a 4-Speed, Longitudinally mounted, and for 8000 lbs. … The 4L80E was designed for vehicles up to 8000 lbs. GVWR and with engines up to 440 ft. lbs.
Does a 4L80E have overdrive?
The 4L80E is a truck automatic transmission that was introduced by GM in the early ’90s. It basically uses many of the same internal components as the TH400 but has
an overdrive Fourth gear
and uses electronics to control shift points, firmness and that sort of thing.
How much does it cost to rebuild a 4L80E transmission?
A local transmission shop will rebuild a 4L60E for around $900 to $1,200 and a 4L80E for
$1,300 to $1,800
, with used units going for about $400 and $600 to $1,000, respectively.
Are all 4L80E transmissions the same?
4L80E Differences:
’91 -’96:
They are all pretty much the same
. They were also known to have a crappy connector that passes through the case. Most have had them updated by now, but there are still some that haven’t and might need replacing.
Is 4L60E a good transmission?
For many, the
4L60E transmission is a good transmission
, but for others, it appears as if it is the worst transmission ever made. One GM owner stated: “My opinion is that the 4L60E is not the worst transmission ever made. … If used, then one has no idea exactly what the transmission went through before you bought it.”
