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Old 07-27-2017, 06:29 AM   #8
Andy4639
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Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
Talking Re: Best gear ratio for lq4 or lq9 w/ 4l65e

Quote:
Originally Posted by 67see10 View Post
why did you decide to go with the 4l80e?
Because I bought the whole setup out of a 04 heavy duty with 70,000 miles on it.
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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


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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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