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Old 10-05-2011, 08:54 AM   #13
Regular Guy
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Join Date: Jul 2011
Location: Valparaiso, Indiana
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Re: What would be the most useful "4th" gauge to install?

Quote:
Originally Posted by Crabass View Post
If you're running an automatic trans the temp gauge would be a real eye opener, especially towing on warm days, running high stall converter, etc. The vacuum gauge is useful for troubleshooting sometimes, but most useful under the hood. Also for improving economy, but an even better gauge for that (and another eye-opener) would be a wide band air/fuel ratio meter. Are you putting in a tach? What about a fuel gauge?
Crab, the speedometer and fuel will stay stock, and a 3 3/8" tach will go in the unused center tach hole.

I'm not familiar with air/fuel ratio meter--how do they hook up? What's the difference between narrow and wide band? I just did a quick look through a Classic Industries catalog and the narrow is under $100, the wide is in the $300 range for various gauge models...big difference!
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