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gmc684x4 · 01-06-2021, 05:45 PM

I would ask your tranny guy about a 4l80e swap
A stock 4l80e is already 1 ton rated

Your building a 1 ton I would think you will use as a 1 ton load wise trailers campers etc .

4l60e is a light duty 1/2 ton tranny
As Clinebarger stated in a tranny thread
He can build a tough 4l60e for about $5000
Compared to a built 4l80e for about $2500

http://67-72chevytrucks.com/vboard/s...d.php?t=812006

01-06-2021, 05:45 PM	#18
gmc684x4 Registered User Join Date: Jul 2012 Location: Whitehorse yukon Posts: 1,218	Re: LS Swap Dually Questions - First Timer I would ask your tranny guy about a 4l80e swap A stock 4l80e is already 1 ton rated Your building a 1 ton I would think you will use as a 1 ton load wise trailers campers etc . 4l60e is a light duty 1/2 ton tranny As Clinebarger stated in a tranny thread He can build a tough 4l60e for about $5000 Compared to a built 4l80e for about $2500 http://67-72chevytrucks.com/vboard/s...d.php?t=812006 Last edited by gmc684x4; 01-06-2021 at 05:55 PM.