Okay, so the dash has six gauge spots. 2 big ones, 4 small ones. I have a large fuel gauge, an empty small gauge spot, and no tach. I am wondering if anyone makes a tach that would (reasonably) match the other other gauge and fit in where my fuel gauge is, and a small fuel gauge to fit into the empty spot I have. To be honest I've never seen a factory chevy tach for this body style, though I'm pretty sure it was an option at some point. I was thinking I would just throw a tach on the column, but since I want to replace my fuel gauge anyway just seemed like a 'cleaner' way to take care of things. I'm tired of driving along and having the truck cough-hic-up-die, then I flip the fuel selector switch and pump the gas trying to restart it in the middle of an intersection. I put 21.5 gallons in one tank the other day, though I know you Blazer Blokes can't relate. Anyway. Help finding a manufacuter for factory style tach and fuel gauge would greatly be appreciated.