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difference between 700-r4 / 4l60-e

This is a discussion on difference between 700-r4 / 4l60-e within the Automatic Transmission forums, part of the Drivetrain category; what is the difference between the 700-r4 and the 4l60e?...

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    PEWTER
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    difference between 700-r4 / 4l60-e

    what is the difference between the 700-r4 and the 4l60e?

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    Senior Member Zboner's Avatar
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    there really is no difference but the 460le is electronically shifted.

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    I like the way yew tawlk. Ric's Avatar
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    4L60E is stouter from what I'm told. 4L80E is the mac daddy of O/D transmissions... they'll handle around 700 ft-lbs with a few touch-ups.

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    Tech Junkie hammertime's Avatar
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    4L80 is a heavy monster.

    If you already have a 4L60E, you'd be better off beefing it up. Several here know the ins and outs. ZBONER is one who comes to mind...

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    Senior Member Zboner's Avatar
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    yes if you beef the 460le up it will feel like a totally different car then what it was before and will feel much more responsive then the stock

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    Well the reason I asked is my stock tranny went out and instead of rebuilding it i purchaced a raptor 700-r4 it and If i shift manualy it acts like a different beast but I have weird things happen from time to time. Just wondering if that is what causes them? I still have my 4l60-e and will rebuild it but at the time i didnt want down time.

    prob 1. weird vibs
    prob 2 at times on hard exeleration when it goes to shift into 3rd it wont accecerate until i let of the gas a little its not slipping because the rpms wont go any higher than 3000 does this have some thing to do with torque management?

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    Junior Member R&L'scamaro's Avatar
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    How can i see which one i have? And about how much do the 4L80E cost? What kind of tweeking is involved in beefing it and the 4L60E?

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    Junior Member crawlingt's Avatar
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    4l80 is definatly more expensive and i believe some modification has to be done.(but dont quote me on that)

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    I like the way yew tawlk. Ric's Avatar
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    Yeah, 4L80E was designed with diesel trucks in mind, so don't expect a big aftermarket for them(JET makes a drop-in unit for $2500ish). 4L60E can apparently be reworked in the valve body to where it can become a 6-speed automatic(1st, 1st o/d, 2nd, 2nd o/d, D, O/D. Saw that in a Hot Rod mag a few years back), and they have the same 3.06 1st gear as the 700-R4. It'll get you out of the hole real quick.

    The 700-R4 get a bad rep as being weak... most folks can only build them to about 450 ft-lbs max. However, I do remember a dude in Woodstock, GA who built one for my buddy's 650-hp '84 T/A, knowing the power that it made, and guaranteed it for three years.

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