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The mkiv Supra Owners Club

Keeping a speedon in KM/H but with 300km/h face


JohnK

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I have a friend who needs to keep his speedo in KM/H but also wants to remove the stock J-spec top speed limiter and have a 300km/h dial.

 

As standard 180km/h is around the 3 o'clock position so just replacing the dial face will mean the readings are way out.

 

Any idaes please.

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I know the Thor speed converter is variable, but to what extent I'm not sure.

You could possibly use one convertor to feed the speedo and another true mph speed for the odo and rest of the system.

 

Just buy a TRD gauge.

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use a thor speed converter delimiter

That should delimit the car and give you your readout in mph

so 180 km/h on the stock clock becomes 180 mph

now just replace your dials

done

 

john

 

 

He needs the speedo in KM/H not MPH.

 

Pete: The Thor box is only +/- 10%

 

Any more ideas please?

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He needs the speedo in KM/H not MPH.

 

Pete: The Thor box is only +/- 10%

 

Any more ideas please?

 

It still applies

Just replace the dials with a km/h one

If the dial is properly calibrated, which a reputable one will be.

Where the stock would read 180 mph it will now read roughly 290 km/h

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  • 3 months later...

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