Assuming you're referring to you having a stock GM cluster of that year (like this one from my '86):
The speedo is mechanical, water temp, nor oil pressure didn't work when I tried. Hence, I went this route:
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Assuming you're referring to you having a stock GM cluster of that year (like this one from my '86):
The speedo is mechanical, water temp, nor oil pressure didn't work when I tried. Hence, I went this route:
![]()
5.3L '86 Silverado (E/T: 14.37s @ 94mph) - First Time Out!Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph