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300ZX (Z31) Performance / TechnicalDiscussions related to Turbo charging, Supercharging, Engine, ECU, exhaust, and etc. performance enhancements and Techical related.
Got a 1987 z31 NA and the speedometer does not work.
Tachometer works fine.
Analog cluster.
Wondering if the speedo is run off a cable or has a speed sensor before I put it on my lift.