C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Tachometer reading abit high

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Old Dec 23, 2006 | 12:14 AM
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chillcat's Avatar
chillcat
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From: crystalriver Florida
Default Tachometer reading abit high

just lately my tach has started reading too high of rpm (not rediculously high, but its definantely not right), what would cause that BESIDES the digi cluster (newly rebuilt) Would I need to look at the tach filter, it is basically new--BUT, its very possible water or oil has gotten on it/or in it, I mean the thing is just sitting there in the back of intake and I believe the wires are exposed going in/out of it, could that cause wrong readings. Mechanic said that sounds unlikely
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Old Dec 23, 2006 | 01:05 AM
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GrtWht91
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From: Palatka Florida
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ever since i have been using an msd high output coil my tach has been off, i never tried to determine if that was the cause but thats what i always felt it was...dont know if this helps
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