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Old 10-09-2006, 09:52 PM
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G.R. G.R. is offline
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Join Date: Jul 2001
Location: Evans, CO
Cobra Make, Engine: NAF 289 FIA, 347 stroker with Weber 48's, building a '48 Anglia gasser, driving a '55 Chevy resto-rod
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Your tach's out of synch. I had the same type of problem, Tack reading vs engine cutout. My tach was off by about 1K rpm, tried a different tach same make(SW) I borrowed from a friend...his unit read dead on, 56-5800 rpm it would cut out, the limit of the chip. My tach showed 4200-4600...hmmm
My friend tried my tach in his '65 mustang R clone..1K off when he hit the limiter.
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