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12-18-2016, 03:22 PM
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#1 |
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Registered User
Join Date: Nov 2016
Location: Richmond Va
Posts: 68
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What rear setup for ls swap?
Although I have already started my project I still have a few things to sort on and plan. I am looking for advice on rear end setups. I am swapping in a 6.2l/4l75e drivetrain. I want to use the stock 12 bolt. What kind of gear locker setups are ls swapped truck running? I am going for good driveability
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12-18-2016, 03:56 PM
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#2 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: What rear setup for ls swap?
I'm running the stock 4:10 gears in my 6.0 4l80e setup!
I'm getting about 16-18 MPG on the road. 
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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12-18-2016, 04:30 PM
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#3 |
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The Older Generation
   
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,402
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Re: What rear setup for ls swap?
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I am using a 3.73 Posi in the '67 Panel Truck with the LS1/4l60e combo. Runs really good and I got almost 24 mpg on the secondary roads when we went to Kansas City last September. I was running 60-65 most of the way. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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12-18-2016, 05:11 PM
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#4 |
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Registered User
Join Date: Oct 2013
Location: Alabama
Posts: 1,211
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Re: What rear setup for ls swap?
no idea on the mileage, but running a 3.73 with an Eaton posi behind a 5.3 / LSA supercharger and a 4L80e
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