Factory tach
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Thanks guys I guess im around in the average range. Was driving yesterday and my tach was around 3000ish rpms and speedo around 72ish. W/ 4.10 and 3000rpms I should be at 80mph. So if I was going 72ish and showing 3000 Im off by 300. At 72mph I should be only turning 2700rpms
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Harlan shift light in the driver side A piller vent hole, perfect spot for it. When running up to redline I never look at the tack, you know exactly when to shift when that light comes on. My tach is at 2000rpm in 6th at 70mph with 4:10's fwiw.