Yeah it was the stock tach. Are they really that bad?? The rest of my gauges are basically trashed. Speedo gauge is toasted. Oil pressure gauge never goes past the very bottom 2 lines now. Alt, Fuel, and Engine temp seem to be ok, except the temp has a tendency to stick and then drop suddenly.
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'91 Mustang GT 5.0 AOD Daily Driver
Current stats: NEW 302 short block, E-303 cam (@.050, 220/220, .498/.498, 110 degrees), 1.6 roller rockers, Performer RPM heads (aluminum, 1.9/1.6, 60cc chambers), Cobra intake, Granatelli 75mm MAF, Billet AFPR, Equal-Length Shorty Headers, Off-Road X Pipe, Flowmasters, 4.10 POSI
13.73 at 103.8, ~2.2 60'
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