GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

New trans. 4L60E or 4L80E????

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Old Nov 4, 2008 | 06:23 PM
  #11  
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Any input on the install?
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Old Nov 4, 2008 | 06:51 PM
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To put a 4l80e in a 4x4, you have to change out the input gear in the transfer case, replace both front and rear drive shafts cuz it's a 2" longer combo, get a new torque converter, extend the cooler lines, swap a couple pins in the electrical plug, wire a second speed sensor to the PCM and have a trans segment swap done in the PCM. That's the basics of it... Not real easy on a 4x4

I just so happen to have a nice built 4l60e for sale, even for a 4x4
https://www.performancetrucks.net/fo...d.php?t=428225

Last edited by kbracing96; Nov 4, 2008 at 10:26 PM.
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Old Nov 4, 2008 | 07:21 PM
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nice plug Kyle

To do an 80e will cost more $ upfront...but save way more in the end. Your decision, the easy way is not always easiest in the end.
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Old Nov 4, 2008 | 07:26 PM
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Originally Posted by trever1t
nice plug Kyle

To do an 80e will cost more $ upfront...but save way more in the end. Your decision, the easy way is not always easiest in the end.
That's the privilege I pay for, lol.
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Old Nov 4, 2008 | 08:20 PM
  #15  
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I think i sent you a pm on it. If you could call me maybe we can work something out. Jeff 904-838-8277
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Old Nov 4, 2008 | 09:27 PM
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Going to the 80e will cost you about 40-50 rwhp based on other threads I've read on this site. That was my biggest reason for going with a level five 60e.
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Old Nov 4, 2008 | 11:15 PM
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Id rather give up a few ponies for reliabilty then having to worry about when my trans is gonna blow.......I love my 80e it was well worth it
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Old Nov 4, 2008 | 11:17 PM
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the real question is why didnt we all just buy 2500's. I mean when it's all said and done many swap to the 80e and 14bolt rear end. Seems it'd be much easier just to start with a 2500.
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Old Nov 5, 2008 | 05:36 AM
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Originally Posted by built408
I don't think so, stock 80's are pretty stout, but they won't hold 600-700 rwhp very long without burning up or breaking the stock intermidiate sprag. I'd put my new 60 vs a stock 80 any day!
You're 60 would loose.
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Old Nov 5, 2008 | 09:08 AM
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Originally Posted by Breeze
You're 60 would loose.
I've built a few 80's for trucks, and I've built tons of 60's. Both trannies have their problems. I've seen bunch of stock 80's break the intermidiate sprag. Most of the people that have went 80's is because they use an unexperienced builder, cheap out and use cheap parts, or have somebody build it that has no idea what they are doing.
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