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Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by dpearson, Apr 11, 2000.
How do you go about recal. your speedometer. Do you need a different gear in the transfer case?
You need a differnt gear in the speedometer housing on your trasnfer case. A while back in peterson's they had an article about changing the little gear sizes. Im still holding off because of going to a different size tire (larger)
<font color=purple>79' K-5 396cid 600hp, TH350, NP203</font color=purple>
Gm has eather 5 or 6 gears that goes in the transfer case that changes the speed seating in your truck. You can also go to a speed shop that does speedometers and they can put a box that is adjustable to correct it.
<font color=black>the blazer is "Back in Black"
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