Thread: 4l80e Builders
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Old 01-12-2018, 12:28 AM   #5
72MARIO
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Join Date: Nov 2000
Location: Huntsville Ontario Canada
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Re: 4l80e Builders

The 2 factory onverters for 4L80E from my understanding are

GM81 application 6.5 , 7.4 Stall 1800-2000

GM82 application small block stall 2200-2400

I wanted to spend money on my 4l80 behind 6.0 in my trucks. My transmission builder strongly suggested not wasting the money on any more than a few small parts. No need for aftermarket input shafts. Now on my dad's 468 making 600+ ft of torque he did suggest the up grades including billet triple disk converter.
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair
http://67-72chevytrucks.com/vboard/s...d.php?t=625017
1967 C/20 6.0/4L80 Roofing Truck
1990 V2500 Suburban "Plow Truck"
2005 TAHOE DD
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