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The mkiv Supra Owners Club

Gearboxes/Diffs and Speed In Gear


Alex
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  • 7 months later...

Are the figures for the auto box based in a 1:1 locked up ratio?

 

As the convertor is always slipping, weather it be a stock one or a high stall application.

 

Its like trying to use the manual figures when you have your foot halfway down on the clutch pedal.

 

Does anyone understand where im coming from with this?

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I've got one of these on the bike (not sure if it's a yellow box or just similar).

Works well, you just need to set it up correctly with the % error, then compare to an accurate source (GPS via satnav).

 

Just out of interest I compared the Supra speedo to satnav. The Supra indicated 80mph = 81 on the GPS / satnav.

 

That's with 285/35 18s on an otherisw stock '96 JDM auto (with LSD, if it makes any difference).

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