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04-19-2018, 03:27 PM
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Registered User
Join Date: Apr 2012
Location: Chatt Tn
Posts: 982
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adjusting speedo on a 91 crewcab?
got a 91 454/4l80 crewcab I'm working on for a friend. speedo reads way too high, with the electronic speedo. pretty sure someone put a 3.42 or 3.23 gear in the rearend. how do you adjust the speed sensor setup from the factory? they had to have a way to do it.
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88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535 |
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