XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

XJS THM400 transmission kickdown switch modification.

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Old 03-10-2021, 02:31 PM
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Default XJS THM400 transmission kickdown switch modification.

I did a little modification to my transmission kickdown switch and I am pretty happy with the results. Instead of the switch not activating until after you reach wide open throttle, it now activated at about 3/4 throttle. I am pretty happy with the results. All I had to do was to move the switch from the bottom of the plate on the throttle cable, to the top of the plate, drill 2 new holes, and adjust the switch, and mounting plate to contact the throttle rod.


 
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Doug (03-10-2021)
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Old 03-10-2021, 02:38 PM
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I am also running this vacuum modulator, which is a little more performance oriented. Shifts are a little hard when cold but quite nice when warmed up a little bit.
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Old 03-10-2021, 07:30 PM
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Kickdown mod: clever!

I've recently changed my KD system (again). I post pics sometime soon

Cheers
DD

 
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Greg in France (03-12-2021)
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