| [GMCnet] TH-425 / TH-400 Speedo Drive Gears [message #194282] |
Fri, 28 December 2012 19:55  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
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Senior Member |
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G'day,
This subject was being discussed under the Ready for Tires thread and I thought it would be a good idea to start a new thread so we
can reference it later:
Kerry,
You may have ASS U ME'd correctly! I just did a Google search and came up with this:
http://www.jegs.com/p/TCI/TCI-GM-Speedometer-Gears/762271/10002/-1
The first group of gears with the smaller gear look like the speedo gear that is used in the TH-425.
Regards,
Rob M.
-----Original Message-----
From: Kerry Pinkerton
Again, I don't know about the 425 but the Turbo 350 & Turbo 400 trannys have replaceable gears. I have a whole box of them all
color coded by the number of teeth. I'm under the impression that the internals of the 425 is pretty much a Turbo400 so I ASS U MEd
one could change the gears. Don't know for sure.
Regardless, the off road guys have converter boxes that allow them to fit all sorts of weird tire sizes and still have the speedo
work.
--
Kerry
Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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