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Old 05-21-2009, 07:13 PM
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copper copper is offline
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Join Date: Jan 2009
Location: midwest
Posts: 106
Default 3.73 speedometer gear

I put this under an existing thread and it didn't show on new posts so I am making this new thread.
I have a 3.73 rear gear in my WI SSP and the speedometer was way off when I drove it home. I was going to put a 2.73 in it but after reading the forum on which gears guys are running, I thought I may just leave the 3.73 in the AOD but the top speedometer gear is a 23 tooth and is not enough to correct the actual speed. There was a 21 tooth in it but some teeth were worn off which accounted for the needle wondering. What did you guys do to get the speedometer close to accurate? I read that the trans drive gear in the 93s had 8 teeth and on the chart it would need the max of 23 tooth gear on the speedometer end and it would still not be enough to make the speedometer accurate. They also said the nylon gears only last a short time and then it may break some teeth off like the one I have now. The other choice they gave was to change the trans gear from 8 to 7 or 6 but that is a big job. Any help on this would be appreciated or will I have to just live with it. Thanks.
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