[Supras] SPEEDO CORRECTION

[Jeff Mohler]

Replace gear on the end of the speedo cable that goes inot the tranny, with
the one that was in the 4.3 car.

On 3/5/07, robert wilks <bigbobsherbals at charter.net> wrote:
>
> Hello,
>       Please put the forum collective mindset on this problem....removed
> 3.70 lsd....and replace with 4.30 lsd......now speedo reads 15-20 mph fast
> at highway speeds.    car is automatic trans/turbo.   also ,see the enclosed
> link.
> Hello Dr Jones,
>        I have a rebuilt/modified  90 supra turbo......with auto
> trans.....and a recently installed  4.30 : 1 LSD .
>        Problem is, the speedo still thinks the 3.70 LSD is still in
> service, and therefore, the speedo reads about 15-20 mph fast at highway
> speeds.
>       I special ordered a 'worm gear' (for the speedo cable) for a
> non-turbo 5-speed manual/sport pack supra......which  originally came from
> the factory with the 4.30:1 gearing..........IT would'nt fit my trans
>       I think the 1JZ  2.5 liter JDM cars were equipped with 4.10 gears,
> and were available with auto trans.....were they not???
>       Would this be a fix????       would the 4.10 worm gear for one these
> be close enough correction?
>       HELP........you're the doctor....would one of toyota's other JDM
> models come with the exact worm gear for auto/4.30 applications?
> -regards,
> bob wilks
> 205-746-5655
> -bob wilks
> bobbobtht
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