New Gears
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Freshman User
Joined: Jul 2003
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From: Buda,Tx
New Gears
I'm having new 4.10 ring & pinion gears installed. Old ones are 3.55. Anyone know what I need to do to get the speedometer to read correct? Trans is an e4od and doesn't use a speedo cable. Guess it uses a magnetic pickup in the rearend. Does this need to be changed?
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Joined: Dec 1999
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From: Copley, OH
Posting Guru
Joined: Dec 1999
Posts: 1,903
Likes: 2
From: Copley, OH
Some day i'll learn to read posts more carefully. Gear ratio has no affect on your speedo reading. The reading is taken off the carrier which is downstream of the R&P. Only tire size affects the reading
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Freshman User
Joined: Jul 2003
Posts: 42
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From: Buda,Tx
So after thinking about this for the last hour (and just before I read your reply) I've come to the conclusion that I don't have to mess with the speedo after the gear change.
Thanks for the reply.
Thanks for the reply.
Last edited by Go Navy-Beat Army; Jan 24, 2004 at 05:39 PM.
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