How much does it cost to rebuild a 4L80E?
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.
How much HP can a stock 4L80E take?
How much power can the 4L80E handle? A totally stock unit or rebuild will typically live well with up to 450 flywheel HP/TQ. Above this point the direct clutches will not live long without some hydraulic improvements.
How long does a 4L80E transmission last?
IMHO, the 6.5’s and 4L80E’s are capable of 500,000 miles…
Can a 4L80E handle 1000hp?
Our PERFORMANCE 4L80E series is ideal for street/strip driving and upgrades from a 4L60E/4L65E platform. It’s rated at 1000 RWHP….
Is a 4L80E good for drag racing?
The 4L80 I have is extremely well built specifically designed for drag setups, so it will handle a full throttle 3-4 shift.
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.
Can a 4L80E handle 500hp?
The 4L80E in stock form would be limited by it’s direct clutches (3rd gear) and that would be a part that would gradually fail at ~500 HP if raced often but last years on the street at closer to 600 HP/TQ in a passenger car application. Other than that it would mostly depend on the year model and how it was used.
How strong is a stock 4L80E?
The GM 4L80E Performance Transmission Level 4 is powered with whopping 800 Horse Power. This automatic transmission gear can also generate up to 700 ft. lbs. of torque at a stall level of 2800 to 3400 rpm.
How reliable is the 4L80E transmission?
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.
Is the GM 4L80E a good transmission?
Though often overlooked, GM 4L80E automatic trans have had a reputation of being some of the best options on the market. The high-performance automatic transmission is known for its power and reliability.
How much torque can a 4L80 handle?
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.
Will a Turbo 400 replace a 4L80E?
Very easy. So is just buying the aluminum circle pattern 4L80E pedestal which has the same transfer case bolt pattern. So, if you have a TH400 to NP205 mount, just a bit of work will make it bolt up to a 4L80E and all is well.
Is a 4L60E interchangeable with a 4L80E?
FYI – 4L60E & 4L80E transmissions are NOT directly interchangeable. The wiring pinout of the trans plug is different, and 2 VSS’s are used versus 1 on the 4L60E. Besides the wiring difference, the ECM also requires a segment swap as that portion of the transmission control is completely different.
How much does it cost to rebuild a transmission?
The cost of an AAMCO transmission rebuild depends on the whether the transmission is automatic or manual and which location you take it to as each one is independently owned. On average, the cost for a transmission rebuild at an AAMCO repair shop is between $2,800 and $3,800, according to customers who have used the franchise in the past.
Where can you find a 4L80E transmission?
You can find the 4L80E transmission in ’91-and-later heavy-duty Chevrolet and GMC trucks and SUVs that use big-block, diesel, or LS-based engines that are 6.0L and larger. 4L80E Transmission Specifications. The 4L80 nomenclature denotes that the transmission is a 4-Speed, Longitudinally mounted, and for 8000 lbs. vehicle weights. It’s RPO code is “MT1” and has been domestically manufactured in GM’s Ypsilanti and Willow Run plants.