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

A well built 4l60e can handle some serious power. We have cars running 500-600 and 700 rwhp as the power increases of course the odds of failure do increase but we have had very good results. Generally a stock rebuild is not adequate for much more than general bolt ons however.12-Apr-2009

  • As stout as they are, eventually you reach the inherent limits that a 4L60E or 4L65E transmission is designed to withstand, which is around 700 hp at Level 4. “It all comes down to how well the car

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.

Can a 4L60E be used without a computer?

Externally, all it needs is a 12-volt source and an engine-vacuum reference. However, if your trans is, in fact, a 4L60E, running it off a computer is mandatory. Never mind TCC lockup; without a computer, the trans won’t shift at all.

Can I rebuild my own 4L60E?

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. We’re unable to show you a step-by-step 4L60E build here because there simply isn’t the space to do so.

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How many miles will a 4L60E last?

Re: what are the max miles on 4l60e transmission before fail

Reverse kinda was finicky, every now and than it would slip but had a good life. I honestly think around 250-300k it should be rebuilt if its original.

Is 4L60E a good transmission?

NO TRANSMISSION should last in stock form when you add 100 horsepower to the car and up the shift points 1,000 rpms. the 4L60E is a fine transmission – one of the better transmissions out there. you can put a stock 4L60E behind nearly any motor of a production car out there and it’ll hold up fine.

How much does it cost to rebuild a 4L60E?

you can rebuild yourself with basic upgrades for $400 to $500 range. You can buy a rebuilt transmission with basic upgrades for around $1000. Considering it takes maybe 8 to 12 hrs to pull and install I’d say around $1700 to $2000 to have someone pull, rebuild, and install your transmission.

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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What causes a 4L60E transmission to slip?

ANSWER: This is a common issue with many GM vehicles using the 4L60E transmission, and the odds are high it will not require overhaul. Slippage can occur due to several possible causes, such as low fluid level, a slipping torque converter clutch, or slipping clutch or band within the transmission.

What is the difference between a 4L60 and a 4L60E transmission?

The biggest difference between the 4L60 and 4L60E is how they are controlled. The 4L60E is controlled by a computer, while the 4L60 is controlled by a TV cable. If you were to try to put a 4L60E where a 4L60 once was you’d have to buy an aftermarket transmission controller for it.

Will a 4L60 bolt up to a 350?

The 4L60E will bolt straight up to your 350.:yes: You will need some way to control the tranny though. The OD is electronically controlled, hence the “E” at the end of the 4L60.

Will a Turbo 350 replace a 4L60E?

With the TH350 the stock VSS (Vehicle Speed Sensor) from the 4L60E will not work and a new conversion piece will be needed.

Can I use a 700R4 instead of a 4L60E?

No 700R4 transmissions were ever controlled by the ecm. The lockup function is grounded with the ecm, but not the shift points like the 4L60E that replaced it. Any 700R4 will work in any application.

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