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Tach Calibration

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Old Jun 27, 2007 | 02:51 PM
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Default Tach Calibration
on my 98, when i was getting it tuned, i noticed that its idling right on 800 rpm's but my tach is reading a tad north of 1000 rpm. is there any way to calibrate the tach without removing the needles?
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Old Jun 27, 2007 | 03:09 PM
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Mine does the exact same thing, speedo too
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Old Jun 27, 2007 | 03:18 PM
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i havent really checked my speedo, but i know the tach is off.
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Old Jun 27, 2007 | 03:41 PM
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with a tuning suite....efi live or hp tuners...
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Old Jun 27, 2007 | 04:02 PM
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no ****? we used EFIlive to tune it but i mentioned it to him and he didnt say anything about calibrating it. i had him drop the idle to 700 just for ***** and giggles, even dropping it to 700 it still reads (on the tach) ~900rpm. ill get in touch with him again and see what can be done. thanks staringback.
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Old Jun 27, 2007 | 05:22 PM
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for a second i thought you were being sarcastic.....
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Old Jun 27, 2007 | 05:32 PM
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Originally Posted by staringback05
for a second i thought you were being sarcastic.....
after i read what i posted it did sound pissy, so i edited it so it came across like i wanted!. no scarcasam, thanks man!
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Old Jun 27, 2007 | 06:08 PM
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all good best of luck
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Old Jun 28, 2007 | 12:38 PM
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How do you adjust the tach readout with HPT?
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Old Jun 28, 2007 | 12:59 PM
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Originally Posted by SilverSierra
How do you adjust the tach readout with HPT?
Ya i have HPtuners and all my gauges are off bc i removed all my needles to do a guage cluster swap.
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Old Jun 28, 2007 | 02:04 PM
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Originally Posted by SilverSierra
How do you adjust the tach readout with HPT?
move the needles.
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Old Jun 28, 2007 | 03:23 PM
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I asked how to do it with HPT, not without
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Old Jun 28, 2007 | 06:31 PM
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ohh my bad. idk. ive never used anything like that....sorry bout the confusion
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