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The mkiv Supra Owners Club

Speed Delimiter.. Old topic I know but need help!


bayside_supra

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Hi guys

 

I have been trying to search for a definitive answer on this forum for ages about this and everything points to buying a Thor speed delimiter which do not seem to exist anymore.

 

I have a 93 aerotop TT 6 speed import, was originally an NA auto. It has a UK 180 MPH speedo which functions perfectly but it still clocks in KM on the odometer (which I want to keep). As soon as the speedo hits 120 MPH it hits the limiter, I am guessing the speedo over reads a little and the wheel speed is actually 112 MPH. Obviously I was on a track when I tested this :yes:

 

I would like the speedo and everything to stay the same but the speed limiter to be bypassed, the cheap ebay ones will all convert my speedo down to KPH which I do not want. I am sure a Thor racing one would work but I cannot seem to find one.

 

The only option I can find is this GReddy Speed Cut Controller. Can someone confirm this will have the desired effect before I order it, hopefully other people have used this.

 

http://www.shopgreddy.com/15590201.html

 

Sorry to bring up something that has been asked a million times before, but it has not been asked for a while and Thor have disappeared since.

 

Thanks

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I have literally just taken off my limiter, I picked up a used one from Keron (Thor)

I would give Keron a PM and ask him or contact Garage Whifbitz or even Chris Wilson

 

Mine is very unusual, sometimes it hits a limiter and sometimes it doesnt, I have reached 160MPH in my car yet other times it reads 120/130 and hits a limiter of some sort. I dont quite understand it tbh lol.

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I've already got one of these and asked Chris Wilson if he can help with the delimiter too but he hasn't got anything.

 

I may ask Keron for a used Thor one.

 

The GReddy looks to do the job, glad you agree Stevie. Has anyone actually used one before?

 

 

 

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If your car is an auto things are more complex if you want the auto box to work properly. With most Ebay limiters you need a second device that clamps the gearbox speed sensor output at a fixed frequency for speed de limiting to work properly. The TRL one addressed all these issues, but Pete is now in the US developing electric vehicles and no longer makes these.

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What would happen if you de-limited but left as kph and then went over 200kph so that the needle hit the distance reset button?

As the speedo is electronic, would it actually cause a problem? Or would it just be wedged against the reset button until you dropped back below that speed?

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