Question: How much horsepower can a stock 4l60e handle?

Can a 4L60E handle 500HP?

A stock 4L60E won’t take 500HP for long if you beat on it. It’s a strong trans for a stock motor but 500HP? A stock 4L60E won’t take 500HP for long if you beat on it.

How much horsepower can a built 4L60E handle?

Go with a performance rebuild, you will be looking at about $1600 for a fully built trans that can handle around 600hp.

How strong is a 4L60E transmission?

4L60E refers to a series of automatic transmissions from GM. They are designed for longitudinal engine configurations, and include 4 forward gears and 1 reverse gear. GM 4L60E transmissions are rated up to 450 horsepower and 425 ft/lb torque, and can be custom built by Gearstar.

How much HP can a stock 4l80 handle?

A stock 4L80E can reliably handle about 450/450 long term.

Can I rebuild my own 4L60E?

We recently visited Performance Automatic for a closer look at what they do for 700-R4, 4L60, and 4L60E performance enthusiasts. Unless you are a seasoned transmission builder with a lot of experience with the 4L60E series transmissions, it is suggested you never execute transmission rebuilding yourself.

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Why is the 4L60E a bad transmission?

the transmissions break because of lubrication problems. you have to drill feed holes and such. the strongest components you can get will break if they’re overheating because no tranny fluid is getting to them. you have a max evil trans, which is just a 4L60E thrown together with better parts.

How long do 4L60E transmissions last?

2 weeks ago the 4L60E in my dads suburban died. It had 150,000 on it, after talking to a bunch of rebuilders they all said one thing in common, the average life expectancy is 80,000.

How much HP and torque can a 4L60E handle?

Stock GM 4L60E is rated at 350ft/lb of torque. If you are going to spend $2000 – give RPM Transmissions in Indiana a call. They can get you a Stage IV for $1700 and can probably do you a great deal on a stall. Their trannys are near bulletproof.

How much power can a stock 5.3 handle?

The normally aspirated 5.3L eventually produced 503 hp at 6,600 rpm and 441 lb-ft of torque at 5,700 rpm. The new heads, cam, and intake shifted the power curve higher in the rev range, as a stock 5.3L will produce peak power at just 5,400 rpm.

How can I tell if my 4L60E transmission is bad?

3 Symptoms Of A Failing 4L60E Transmission And How To Diagnose The Problems

  1. No Third Gear – You put the vehicle in drive, start off the transmission, and shift to second gear.
  2. No Second Gear/Reverse – The second most common symptom of a failing 4L60E transmission is your inability to shift to second gear and go reverse.
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Can I put a 4L80E in place of a 4L60E?

Swapping from the 4L60E to the 4L80E is not difficult to do in vehicles that were equipped with both transmissions. Here are the main parts that you are going to need in order to make your own 4L60E to 4L80E swap kit. It’s not the easiest swap to do, and a 4L60E can handle a lot of power on its own.

What does a shift kit do for a 4L60E?

Adding a shift kit to your 4l60e equipped car, truck, or SUV will help correct and improve the lazy shifting that the 4l60e is somewhat known for in factory form. Properly installed shift kits will make all shifts more firm and quick without making it feel like you got hit by a train.

Will a 4L80 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.

Is the 4L80 a good transmission?

The GM 4L80E Automatic for Max Power and Good Cruisin’

Overdrive transmissions are great inventions. They allow a car to run deep rear gears for tire-smoking or wheel-hangin’ launches yet still maintain some semblance of highway cruising ability. The problem is durability.

Will a 4L80E bolt up to a 454?

Yes it will. I did the swap on mine last year. The 4L80E has an extra bolt in the top of the bellhousing, but other than that it is the same. I had to get different bolts for the torque converter, and the converter has 6 bolt but only 3 matched up on my flexplate, as it has 2 different 3-hole patterns.

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