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> Tach Bounce
914Bryan
post Oct 14 2011, 05:54 PM
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What can I do about a bouncing tach? When I shift, the needle wildly bounces around until the rpm settles in a gear. Then it either climbs or drops depending on acceleration or decelaration. Any ideas? (IMG:style_emoticons/default/confused24.gif)

74 2.0, stock fi and dizzy/coil
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914Bryan   Tach Bounce   Oct 14 2011, 05:54 PM
Dave_Darling   If your car still has ignition points, check them ...   Oct 14 2011, 06:22 PM
Valy   What can I do about a bouncing tach? When I shift...   Oct 14 2011, 06:23 PM
914Bryan   I was thinking points too..Side note, I was thinki...   Oct 14 2011, 07:08 PM
Vacca Rabite   If you are running Djet, you need to keep the stoc...   Oct 14 2011, 07:50 PM
avidfanjpl   Get a pertronix for that car. I only keep points a...   Oct 14 2011, 11:47 PM
Valy   Just for reference, this is what your bad points/c...   Oct 15 2011, 02:07 AM
914Bryan   Awesome info guys! Thanks!   Oct 15 2011, 05:42 PM
Tom   Valy, That is some bad switch bounce! The...   Oct 15 2011, 07:40 PM
michael7810   My tach does the same thing. I have a new distrib...   Oct 15 2011, 08:09 PM
mgphoto   My tach does the same thing. I have a new distri...   Oct 17 2011, 10:59 AM
914Bryan   Sooo maybe an Autometer monster tach instead of th...   Oct 15 2011, 08:26 PM
Spoke   There's 2 basic reasons the tach bounces: 1) ...   Oct 16 2011, 10:20 AM
Valy   My dear friend, you solved a symptom, not the...   Oct 16 2011, 10:34 PM
Spoke   My dear friend, you solved a symptom, not th...   Oct 17 2011, 07:02 AM
Valy   [quote name='Valy' post='1556077' date='Oct 17 20...   Oct 18 2011, 07:26 PM
Spoke   The problem is that the bouncing fools the tach t...   Oct 19 2011, 04:40 AM
Vacca Rabite   I don't suppose you could point out the cap th...   Oct 16 2011, 10:41 AM
Bartlett 914   I don't suppose you could point out the cap t...   Oct 16 2011, 02:38 PM
Spoke   My Tach jumps also. I don't remember which c...   Oct 16 2011, 07:05 PM
Spoke   I don't suppose you could point out the cap t...   Oct 16 2011, 07:01 PM
9146986   Sometimes just putting a clean piece of thin cardb...   Oct 17 2011, 10:46 AM
larss   I had about the same symptoms on my tach, the need...   Oct 17 2011, 11:23 AM


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