Hello all, just as I suspected, my tachometer is out of whack. It was
showing 4,000 RPM at 55 mph, which is around 500-600 RPMs higher than it
should be reading. I connected an electronic tach this evening and sure
enough, at lower RPM's, my reading is off by a small amount, but as the RPMs
increase, the error grows commensurately. At 4,000 RPM on the electronic
tach, I'm reading about 4,500 on the mechanical Jaeger. I wouldn't mind
trying my hand at calibrating the thing myself if such a thing is even
possible. Has anyone done this?
best wishes,
Jeff in San Diego
'67 RHD Spitfire Mk3
www.ohms.com/spitfire/spitfire.shtml
Jeff's Classic '67 Spitfire Mk3 website and
Classic Spitfire Mk1,2 & 3 Webring
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