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Re: Speedo Cable

To: bricklin@autox.team.net
Subject: Re: Speedo Cable
From: Parkman Kenneth <Kenneth.Parkman@pwc.ca>
Date: Thu, 13 May 1999 09:59:41 -0400
>Everybody passes me even if I'm doing 65 on the freeway.  Is it the 
speedo cable, or is everybody just jealous of my car?  

The speedometer error I've read about in Bricklin's would have been 
unbelievably easy to prevent / fix during development of the car. Since 
it wasn't fixed then it should be easy to do now. For 74 automatics 
(727 mopar) both Chrysler and AMC had charts that identified 
speedometer gears for different axle ratio's and tire sizes. The 
speedometer gear is a color coded plastic gear that goes onto the end 
of the speedometer cable adaptor, which is held into the transmission 
(on the drivers side near the rear mount) by a single bolt. The  
adaptor is eccentric to cater for different gear diameters. Everything 
should be easily accessible (I've never actually worked on a real 
Bricklin - yet) from underneath the car and the change will take 5 
minutes. Assuming the gears are available, and they should be, go to a 
Chrysler dealer armed with your tire size (or a size equivalent in 
diameter if you've got weird tires) and axle ratio and a good parts man 
should be able to provide you with the right part. It might be a good 
idea to take your old gear as there were a few variations in the mid 
70's (because of weird emissions hardware I think). The Ford FMX in 
75's 
should also have an assortment of gears available, but I've never 
worked on one of those so I'm not sure. The Ford C6 does and has axle 
ratio / tire size charts, but there is only a limited range of gears 
available before you have to change the drive gear on the transmission 
output shaft, which is obviously more work. An FMX is probably similar.

Ken


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