Reddit reviews Sunpro CP7901 Super Tachometer II - Black Dial
We found 2 Reddit comments about Sunpro CP7901 Super Tachometer II - Black Dial. Here are the top ones, ranked by their Reddit score.
Black face tachometer with 3 3/8-in dialHas a 0 to 8,000 RPM rangeInternal settings compatible with 4, 6, and 8 cylinder and 12-volt negative ground enginesCompatible with most automotive ignition systemsIncludes mounting hardware
You can get cheap gauges at pretty much any parts store or online retailer. Here's a Sunpro tach and a coolant temp gauge, which you could also use for oil temp. An oil pressure gauge would probably be the most critical.
Awesome, I've got the 454 as well. Plenty of power and getting like 7 miles a gallon. If you don't have a tach, I recommend getting one. I bought this one from Amazon and it was an easy three wire installation:
http://www.amazon.com/Sunpro-CP7901-Super-Tachometer-II/dp/B00029JXNE/ref=sr_1_1?ie=UTF8&qid=1415819111&sr=8-1&keywords=sunpro+tach