[Roadsters] Transmission interchange question

[Eddie]

I thought the usual problem with the speedometer was, well, the 
speedometer!   LOL


Eddie

Pat Horne wrote:
> Steve,
>
> The usual transmission problem with the speedometer not working is the 
> speedometer drive gear, which can be gotten to with the trans still in 
> the car. The gear is under the plate that the speedometer cable right 
> angle attaches to. just unscrew the right angle adapter (if present), 
> remove the 1 hex bolt holding the plate in place and wiggle the plate 
> out. The gear will come out with it. You'll probably find that some of 
> the teeth are missing. Just get a replacement from one of our vendors 
> and put it back together.
>
> Another cause for this failure is the short drive piece between the 
> right angle adapter and the transmission. It looks like about 1" or 
> less off the end of a speedometer cable. If there was binding in the 
> right angle adapter it can cause that cable to shear.
>
> Good luck, and let us know what you find.
>
> Peace,
> Pat
>
> Thusly spake S B, On 5/14/2010 3:13 PM:
>> thanks for the great information.  I did find out that the site 
>> talking about
>> using a Miata transmission installed that when he changed his engine 
>> to a
>> Miata engine as well.  they way it war written and the dates made me 
>> think
>> he'd installed it to the Datsun engine.  After everything I've heard, 
>> I guess
>> I'll be leaving my car as is and just doing a rebuild on the 4 speed 
>> at some
>> point so I can get my speedometer to work. (thats the only porblem I 
>> know of
>> and tracked it to inside the trans.)
>>  
>> steve
>> 66 - 1600
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