Your factory gauges lie. The temp gauge reads "normal" until the engine grenades. The speedo is off by 15 mph. Dakota Digital RTX gauges give you accurate data in a retro package.
These aren't cheap eBay gauges. Dakota Digital RTX clusters are direct replacements that bolt into the factory dash. They look like 1960s gauges until you turn the key—then they light up with full digital readouts.
The RTX cluster includes speedo, tach, fuel, temp, oil pressure, and volt gauges. All senders are included. Wiring harness plugs into the back of the cluster.
Complete kit: [Dakota Digital RTX System for 1967-68 Camaro (RTX-67C-CAM)](https://www.amazon.com/dp/B01M0EZQG1?tag=rusttoroad-20)
Disconnect the battery. Remove the instrument panel bezel (six screws). Reach behind the cluster and unplug the speedometer cable, fuel gauge wire, and temp wire. Unbolt the cluster (four nuts) and pull it out.
The RTX cluster drops into the factory opening. It uses the same mounting holes as the factory cluster. Bolt it in using the supplied hardware.
The RTX system uses a GPS antenna for speed instead of a cable. Mount the antenna on the top of the dash (it's magnetic) and plug it into the back of the cluster. No speedometer cable needed.
GPS antenna included in kit.
The kit includes new senders for temp, oil pressure, and fuel level. Install them in place of the factory senders. Run the wires to the back of the cluster using the supplied harness.
Temperature sender: Threads into the intake manifold or cylinder head (1/8" NPT)
Oil pressure sender: Threads into the block where the factory sender was (1/8" NPT)
Fuel sender: Replaces the factory sender in the gas tank
Connect the red wire to a switched 12V source (ignition switch). Connect the black wire to a clean chassis ground. The cluster draws less than 2 amps—no relay needed.
Turn the key to ON. The cluster will boot up and run a self-test. Set the units (MPH or KPH), clock, and display brightness using the buttons on the bezel.
The fuel gauge auto-calibrates when you fill the tank (it learns the sender's resistance range). Oil pressure and temp are plug-and-play. Speed is GPS-based—no calibration needed.
- Dakota Digital RTX cluster: ~$750 - Sending unit kit (included): ~$0 - GPS antenna (included): ~$0 - Wiring supplies: ~$20
Total: $770 in parts. The most accurate gauges you'll ever own.
Gauges won't power on: Check the switched 12V wire. It must have power when the key is in the "run" position. Test with a multimeter.
Fuel gauge reads wrong: Drive the tank to empty, then fill it completely. The gauge will auto-calibrate after one full tank cycle.
Dim display at night: Adjust the brightness using the buttons. The cluster has separate day and night brightness settings.
This is the easiest upgrade in this guide. If you can use a wrench, you can install this cluster. The result is a dash that looks factory until you turn the key—then it's all business with digital accuracy.
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