A100 Hell Project: Finally, the Right Tachometer

Murilee Martin
by Murilee Martin

The thing about my ’66 Dodge A100 van project that makes it a challenge is that I’m going for an early 1970s customization job, not the far easier late 1970s routine. My van won’t have Aztecs On Mars airbrush murals or a wood-burning stove (not that there’s anything wrong with those things), but it does have a telephone-handset-style 23-channel CB radio, (faux) Cragar S/S wheels, and now it has a Watergate-burglary-era cheap aftermarket tachometer.

You could buy this type of no-name tach from J.C. Whitney or Manny, Moe, and Jack for at least two solid decades. It’s got the right blend of 50s industro-chic and Early Malaise Era plasticky cheapness to go with my Sportsman Custom’s instrument cluster, which probably cost Chrysler about $4.17 to make. It will look just right bolted to the steering column.

I’m pretty sure the 4-6-8 selector feature on generic tachometers didn’t appear until the 1980s, but the Japanese factory that made these things probably didn’t change the essential design from its early-60s original until Gulf War I.

I picked up this gauge at the same yard that gave me the TBI intake for my van’s eventual Megasquirt conversion. Right now, the fuel tank is getting cleaned and having a return-line fitting added, so an EFI 318 should be powering my van in the not-incredibly-distant future.



Murilee Martin
Murilee Martin

Murilee Martin is the pen name of Phil Greden, a writer who has lived in Minnesota, California, Georgia and (now) Colorado. He has toiled at copywriting, technical writing, junkmail writing, fiction writing and now automotive writing. He has owned many terrible vehicles and some good ones. He spends a great deal of time in self-service junkyards. These days, he writes for publications including Autoweek, Autoblog, Hagerty, The Truth About Cars and Capital One.

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  • Rpn453 Rpn453 on Jul 08, 2011

    I put a modern - all black plastic, circular readout - version of that tach on my '87 Grand Am. "Seriously, the Iron Duke is capable of over 10,000 rpm. See! Do you really think it would sound that rough at only 5200?" I enjoyed that car.

  • -Nate -Nate on Sep 16, 2012

    A Madman Muntz stereo is what it needs..... " Motor Minders " were in vouge in the 1950's and again in the late 1970's , they're very useful for proper tuning and diagnosis once you learn how to read them . Old Boat Tachometers typically only go to 6 K RPM's and so are much better in stock vintage vehicles . In 1967 in rural New Hampshire , I logged more miles in a Dodge A-100 Sportsman than you'd think possible , it was a sturdy truck , just right for dragging 8 kids or tools around . We even drove it to Canada a few times . -Nate

  • TheMrFreeze That new Ferrari looks nice but other than that, nothing.And VW having to put an air-cooled Beetle in its display to try and make the ID.Buzz look cool makes this classic VW owner sad 😢
  • Wolfwagen Is it me or have auto shows just turned to meh? To me, there isn't much excitement anymore. it's like we have hit a second malaise era. Every new vehicle is some cookie-cutter CUV. No cutting-edge designs. No talk of any great powertrains, or technological achievements. It's sort of expected with the push to EVs but there is no news on that front either. No new battery tech, no new charging tech. Nothing.
  • CanadaCraig You can just imagine how quickly the tires are going to wear out on a 5,800 lbs AWD 2024 Dodge Charger.
  • Luke42 I tried FSD for a month in December 2022 on my Model Y and wasn’t impressed.The building-blocks were amazing but sum of the all of those amazing parts was about as useful as Honda Sensing in terms of reducing the driver’s workload.I have a list of fixes I need to see in Autopilot before I blow another $200 renting FSD. But I will try it for free for a month.I would love it if FSD v12 lived up to the hype and my mind were changed. But I have no reason to believe I might be wrong at this point, based on the reviews I’ve read so far. [shrug]. I’m sure I’ll have more to say about it once I get to test it.
  • FormerFF We bought three new and one used car last year, so we won't be visiting any showrooms this year unless a meteor hits one of them. Sorry to hear that Mini has terminated the manual transmission, a Mini could be a fun car to drive with a stick.It appears that 2025 is going to see a significant decrease in the number of models that can be had with a stick. The used car we bought is a Mk 7 GTI with a six speed manual, and my younger daughter and I are enjoying it quite a lot. We'll be hanging on to it for many years.
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