 Tach Bounce |
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| 914Bryan |
 Oct 14 2011, 05:54 PM
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#1
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Member  Group: Members Posts: 190 Joined: 6-June 11 From: Orange County Member No.: 13,162 Region Association: Southern California  |
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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| Dave_Darling |
Oct 14 2011, 06:22 PM
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#2
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914 Idiot Group: Members Posts: 15,063 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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If your car still has ignition points, check them or replace them and the condensor.
If not, then rebuilding your tach will likely be needed. --DD |
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Posts in this topic
914Bryan Tach Bounce Oct 14 2011, 05:54 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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