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Old 03-13-2012, 07:26 PM
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mechanical speedo for electronic trans

is there a strightforward method to adapt an electronic transmission, say a 4L80E to a mechanical speedometer?

Thanks

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Old 03-13-2012, 07:40 PM
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Quote:
Originally Posted by wallya
is there a strightforward method to adapt an electronic transmission, say a 4L80E to a mechanical speedometer?

Thanks

no there is not on a 4l80e.they were never designed to work a mechanical speedo. a 4l60e can be though. you would still need to have a way to send a signal so it knows when to shift (wont shift without a speed signal). so it would still need an electric speedo signal in order to work.
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Old 03-13-2012, 08:40 PM
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There was a mechanical speed-O conversion for a 4L80e trans some years ago. i do not know if they are still available. At the time they were in the 500 dollar $$ range.

I recall one brand came from TTS , The Turbo Shop. Dont quote me though, it has been a few years.
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Old 03-14-2012, 04:08 PM
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Yikes
Even more $$$ now >> http://www.transmissioncenter.net/sp...__va.htm#tails look at Part #SW44
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Old 03-15-2012, 11:01 AM
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Quote:
Originally Posted by wallya
is there a strightforward method to adapt an electronic transmission, say a 4L80E to a mechanical speedometer?

Thanks
There's a guy on LS1Tech working on a more affordable solution, go there and search. His solution is a ways off but getting closer by the day.

Russ
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Old 03-15-2012, 12:06 PM
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Here's another option. This device has an input for an electronic speed signal and a mechanical output to drive an older style speedometer.

http://www.abbott-tach.com/cablex.htm



They run about $325-350.

Hope this helps....
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Old 03-16-2012, 07:48 AM
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Thank you all. Looks like I have a bunch of options to try.
Wally
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