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04-18-2020, 09:04 PM | #8 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Factory tachometer reading high
You can pull the tach out of the cluster and hook it back up and run a ground jumper to it. Crank the truck up and set the tach per how it is running using a dwell meter if you have one that has the tach feature. If it's a factory tach it will be stamped on the back of the tin where the wires hookup either 8cyl or 6 cyl. All the ones I have ever owned did anyway.
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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 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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