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Re: 67-72 Electric speedo
I am having a similar issue, I have 00' 4.8L with 20" wheels/50 tires, 3.08 gears, and NV3500 manual trans. My speedo is about 2x what it should be (reads 90 at 45). Does this need to be adjusted with a tune due to the tall trans/gear/wheel size?
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