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

Tach Filter

Old Apr 3, 2003 | 09:51 PM
  #1  
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Default Tach Filter

Does anyone know where I can locate a tach filter? I've already tried the Dealer and found out that they are discontinued.
Thanks...
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Old Apr 3, 2003 | 09:59 PM
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Default Re: Tach Filter (BIG K)

Bone yard may help you. I have schematics and built my own, let me know if you what them.

I hear you can run without it by directly connecting (bypassing it) but have not tried it.
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Old Apr 3, 2003 | 11:02 PM
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Default Re: Tach Filter (1MoorTym)

Thanks for getting back to me. The problem is that the wire pulled out of one end and the other end looks weak.
I wonder. Can it be souldered?
As far as I know it worked.
Did you hear on this forum about by passing it?
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Old Apr 3, 2003 | 11:10 PM
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Default Yes, you can bypass it!!

You can bypass it. I just did this about 1 week ago. It mostly reads right on although it will have the occasional "tick" when it gets some interference. It just does a quick 200rpm jump and back down again. It probably happens once every 10 minutes or so. I figure I'll run it like this until I stumble across a tach filter.
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Old Apr 3, 2003 | 11:36 PM
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Default Re: Yes, you can bypass it!! (Sharkracer)

Thanks Dave. This does give me an option. I might do the same.
I will post if I come across a soarse.
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Old Apr 4, 2003 | 01:03 AM
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Default Re: Yes, you can bypass it!! (BIG K)

You might as well try re soldering it. it is already broke right?

I just used an MSD and used the tach out signal to the wire where I cut out the filter. I dont have any issues with mine so far.
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Old Apr 4, 2003 | 08:44 AM
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Default Re: Yes, you can bypass it!! (bill mcdonald)

Good morning Mr McDonald. Yes indeed it is completly separated. The other end looks like it should be fixed also.
What's a MSD?
I'm not that hip on souldering(can't even spell it).
Do you have any thoughts experience to share with me?


[Modified by BIG K, 7:45 AM 4/4/2003]
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Old Apr 4, 2003 | 10:36 AM
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Default Re: Tach Filter (BIG K)

BTW...Where does the tach filter bolt to?
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Old Apr 5, 2003 | 03:46 AM
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Default Re: Tach Filter (BIG K)

I got a friend to soulder both ends and glue the caps back on. Hopefully this will do the trick. :D
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