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the cluster is interesting. half of it uses analog signals, and the other half runs off the can-bus system. Luckily, the speedo runs off the abs computer. Coolant, oil press run off of analog sigs and i have oem audi sensors i plan on tying in. also im utilizing the factory audi coolant expansion tank (which houses the coolant level sensor).
now for the tach....its ran off canbus and a few people have mapped out the address for it. i plan on running an arduino with a can-sniffer program to map out the corresponding rpm points. then ill write a program to convert the gm ecu's tach output to the corresponding canbus signals.
im running an tablet for a temp dash until i get that sorted out
the cluster is interesting. half of it uses analog signals, and the other half runs off the can-bus system. Luckily, the speedo runs off the abs computer. Coolant, oil press run off of analog sigs and i have oem audi sensors i plan on tying in. also im utilizing the factory audi coolant expansion tank (which houses the coolant level sensor).
now for the tach....its ran off canbus and a few people have mapped out the address for it. i plan on running an arduino with a can-sniffer program to map out the corresponding rpm points. then ill write a program to convert the gm ecu's tach output to the corresponding canbus signals.
im running an tablet for a temp dash until i get that sorted out
If the Audi engine ecu is still in there....just bolt up a suitable trigger wheel and point the original crank sensor to this. That is where rpm will come from.
Obviously it wont be controlling anything etc but would be a relatively easy fix for the tacho. Likewise for temperature, just install the Audi sensor into the system and let it work as normal.
I've Hayabusa clocks on my car, and the stupid temp gauge was the only important item that was transmitted from sensor-ecu-dash. Everything else was simple analogue signals. So I've a Hayabusa engine ecu in my car just to run the temperature gauge lol.
i deleted the audi ecu. it was damaged anyways. if this was a 58x engine the audi's 60-2 trigger for the stock ecu could piggyback off of that if needed. But the arduino is the best option for my current setup. It will also allow me to utilize the paddle shifters (which are on the can-bus system) as +/- controls for the boost controller, along with mapping out a few other can-bus items i may use down the road
Downpipes made. Thanks to my friend John for all the help on these bastards. They may not be the prettiest welds, but theyll hold up a lot better than many of the 'pretty' exhausts that ive seen crack within a few months
Holy **** how much wire did he run through lol. Functional yes. Worst glob of a weld I've ever seen yes. Hope it holds lol. Love the car man nice progress
10-27-2016, 01:04 PM
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