[mountainredneck]

just noticed on autohaus the picture of their mod valve. is that little "T" for adjusting shift smoothness, timing etc? on old chevys they had a little screw up inside of them for that purpose.

 

[Zedd]

Timing is controlled by the bowden cable on the valvecover, firmness is controlled by the vacuum control valve on the back of the injection pump. The modulator is only a base setting.