Thread: speedo help for th400
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08-14-2006 01:18 PM #1
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- Car Year, Make, Model: 1972 monte carlo 402
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speedo help for th400
I have a 1972 monte carlo with factory th400. I just switched from a 2:73 to a 3:42 gear in the rearend and I am showing a faster than actual speed on the speedo. Does anyone know how to figure out what speedo gear to use in the trans or where to get one? thanks for any help you may give.
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08-14-2006 02:51 PM #2
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- Car Year, Make, Model: '56 210, SBC
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Check out this link. Should help you. http://tciauto.com/tech_info/speedo_gears.htm
You can also go to ebay motors. Type in speedometer gear ratio adapter, and listings for ratio adapters will come up. It just converts it up or down by a percentage."I also have a tuner, the reception's not to good, but it works"
Phil...
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08-14-2006 06:42 PM #3
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thanks for the info
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You're welcome Mike, glad it worked out for you. Roger, it's taken a few years but my inventory of excess parts has shrunk a fair bit from 1 1/2 garage stalls to about an eight by eight space. ...
1968 Plymouth Valiant 1st Gen HEMI